The elixir melted in his mouth, and before long, An Zheng began to feel some subtle changes in his heart, which gradually became filled with vitality.

"Eh! I can feel it!"

He couldn't help but exclaim; it was truly magical.

He felt as if his heart had been injected with a revitalizer, reinvigorated, pulsing with energy.

"Really? Old man, is your illness cured?" An Qi asked excitedly.

This was incredibly good news. If An Zheng's heart disease were truly cured, she could finally let go of the worry in her heart.

"Not sure yet, I need to run a couple of laps to test the results," An Zheng answered.

Heart disease patients' normal heartbeats aren't much different from those of healthy people, so using heartbeat to test whether the illness was cured wasn't quite reasonable; and there wasn't anything at the moment to aggravate him, so it was more practical to run a couple of laps to test the condition; because heart disease patients couldn't do intense exercise or else it would trigger the heart condition.

"Then what are we waiting for, go and test it out," An Qi's mother urged him even more anxiously than An Zheng himself, as she was always worried about his illness.

"Alrighty!"

Having said that, An Zheng walked out of the house and started running around in the yard.

After a few laps, he found his breathing smooth and his heart pain-free, just like a normal person. It seemed he really was alright now.

"Old man! How is it, are you cured?" An Qi's mother ran over and asked anxiously.

"Don't you see I'm not asking you to bring me medicine anymore?" An Zheng retorted, his meaning was quite clear.

"That's really wonderful! Old man, from now on you can live like a normal person," An Qi's mother was extremely happy, so joyful that tears flowed from her eyes.

"Yifan! Thank you, thank you for curing my father's illness," An Qi threw herself into Lin Yifan's arms and earnestly thanked him.

Her father's condition had always been a concern of hers, and now that it was cured, she could finally relax.

After the excitement, An Qi's mother came over and sincerely thanked him, "Mr. Lin, oh no, future son-in-law, I really thank you, thank you for your elixir, thank you for curing my husband's illness."

"No need to be polite, you already called me your future son-in-law, of course I will do my utmost to treat my future father-in-law's illness," Lin Yifan replied.

"It seems I haven't misjudged you as a son-in-law. Entrusting Jiajia to you, we, as her parents, are now at ease," An Qi's mother expressed her reassurance.

She felt that Lin Yifan was good in every aspect; responsible, respectful to elders, caring for the young, knew how to honor his parents, and was loving towards their daughter An Qi. All these qualities together made him a competent, qualified son-in-law.

"Future parents-in-law, let's go inside to rest. There's another pill that you haven't tried yet, let's see how effective it is," Lin Yifan suggested.

The elixir for cleansing impurities from the lungs, he had refined several bottles of it, the reason being that he needed to take them back for his own father to try; if it showed satisfying results on his future father-in-law, then he could confidently give it to his own father.

"Alrighty!" An Zheng replied, pleased.

He then went into the house, took out the elixir, and swallowed it.

Before long, he felt his lungs fresh and natural, breathing smoothly, much more refreshed than before.

"How is it?" Lin Yifan asked eagerly, eager to know how effective it was.

"Hmm! Not bad, not bad. The air I breathe in feels much fresher than before, and my lungs are full of vitality. Breathing is also smooth and unobstructed," An Zheng replied.

With this result, Lin Yifan's heart swelled with gratification, so he excitedly called out, "Let me check!"

An Zheng extended his hand for Lin Yifan to take his pulse and to check.

Lin Yifan gently pressed on the pulse on An Zheng's hand and then used his Cultivation Power to start the examination.

After running through it once, he found that An Zheng's lungs were much cleaner and not as black as before. However, to thoroughly eliminate the nicotine impurities and restore the lungs to their original state, it was necessary to continually take the elixir.

With this result, Lin Yifan was also much relieved; at least the elixir could remove the impurities from the lungs, and that was enough.

The impurities in the lungs can never be completely removed, because you need to breathe, and breathing will bring the dust and microparticles from the air into the lungs; so there will always be impurities in the lungs. However, if the quantity is not too much, the lungs can still clear them out automatically, and it's not a big deal.

"Future son-in-law, what is the result of the check-up?" An Zheng asked curiously.

"Many of the impurities have been removed, and the darkness in the lungs has lightened, indicating that it's improving. However, for your lungs to recover completely, you need to do two things: first, quit smoking, and second, continue to take my elixir. If you can't quit smoking, then even the potency of my elixir won't be able to save you," Lin Yifan answered truthfully.

"I will try my best," An Zheng responded.

He had been smoking for many years and had developed a habit. If he didn't smoke a few a day, he would feel uncomfortable; so suddenly asking him to quit was a bit difficult.

"What do you mean 'try your best'? You must quit. From now on, I'm going to destroy all your cigarettes, not leaving a single one," An's mother said sternly and ruthlessly.

Before, she hadn't strictly enforced the smoking cessation plan because An Zheng was busy with work, felt negative, and was under a lot of stress in his heart. Now that An Zheng's heart condition was better and the company's business could be handled by An Qi and Zhou Jiajia, she could rightfully start the strictest smoking cessation plan.

"Is it that harsh?" An Zheng was somewhat fearful.

Cigarettes were his lifeline! Quitting smoking was akin to taking his life away, wasn't it?

"It has to be that harsh. Dad, if you won't consider your own health, think about Mom. She has the wish to grow old with you. As long as you quit smoking, you will be much healthier and your life will be prolonged. It's a truly great thing, so you must quit, understand?" An Qi advised.

"Alright! I'll quit! I'll quit!" An Zheng answered.

With both his wife and daughter advising him, what else could he do? Moreover, he knew the dangers of smoking, and now that he was retired and no longer under life's pressures, it was time to force himself to quit smoking.

Seeing An Zheng's helpless expression, Lin Yifan thought of his own father's reaction to being pressured into quitting smoking, which surely would be as resigned and speechless as An Zheng.

Not long after, An Zheng began to cough violently.

This was the effect of the elixir. The elixir cleared out the impurities from the lungs and then transported them to the respiratory tract. The body, in an effort to clear out secretions or foreign objects from the tract, produced a protective cough reflex action, resulting in coughing.

This phenomenon was like coughing up phlegm from the throat normally; it was a process of clearing out excretions from the lungs.

One after another, black phlegm was coughed up, a shocking sight to behold.

Watching this scene, An Qi and An's mother furrowed their brows tightly, not knowing what was going on, their hearts filled with intense worry.

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