I, Doctor in the US - Chapter 541 - 475: Is There Still Hope for the United States?_2

... clear in his heart why he had to do this.

Many people certainly wouldn’t believe it.

That is, what the so-called ’addiction’ is all about.

There’s really an attempt at medical theory involved here.

However, in layman’s terms... it’s a mental addiction.

Right, many people must have heard this term before.

Mental addiction is hard to quit.

But, in the medical field, there’s actually a theory about this, rather than just a ’mental addiction’ ...