I'm going to travel in three days, and my wife is going to have her period. What if I want to postpone it?

Generally speaking, birth control pills can delay menstruation, but they are not recommended, which is not good for your health.

Eat if you want.

Look at this, man. / 1086/ 1 1 15/2005 325-75 146 . html

Exactly. I seem to think that eating at least 10 days in advance is effective.

Withdrawal bleeding is caused by birth control pills, not real menstruation.

If you can't, just bear it. Don't hurt yourself for this.