How to avoid women who cheat, sleep around with multiple guys at once, play with men's feelings?

Answer 1

1) Get time machine

2) Go back to 1955

3) Meet girl in college

4) Date, get married, never cheat.

5) Have kids, be bored, die.

Answer 2

do not date women...Most women will at some time do at least one of the things you list

Answer 3

Be smarter and make better choices. Or go gay... your choice.