Most of them really like attention. If someone at work talks nice to them and gives them attention and the guy looks Ok chances are they will bang them
that's why you have to pick a girl that was a good girl all along, you have to learn her history and ask uncomfortable questions and closely observe her actions and behavior to see if it matches up to what she says
heck hire a private investigator to follow her around, divorce can ruin a man big time so no i don't think that is too extreme
you can't marry a fickle, low impulse control, party girl that slept with tons of guys and expect her to not get bored even if you are her first choice
E