He decided to change his character.

If you rephrase that complex theory in simpler terms, it's just common sense.

This apple contains poison.

Hypervitaminosis occurs when the intake of vitamins is too high.

Osamu is sleeping and snoring.

Could you understand that point?

This letter will be relayed.

This train is a direct service to Ye.

His character affects all the people he is involved with.

No, that is incorrect.