Though the same thing can be said also to other games,
it comes to tend to cut down "Study time" and "Sleeping time" when giving oneself up to the game.
The record worsens if the study time is cut down.
The body does not enter, and one's physical condition worsens as the study on the next day etc. are overcome by drowsiness when sleeping time is cut down.
It is necessary to note that the adverse effect goes out in all respects when the study time and sleeping time are cut down.
It is important to sentient one's health.
Let's play giving a mind to not only the advantage but also the disadvantage's existing in the social game.