Some of the successes you are talking about involve affairs. I would imagine that affairs change the whole situation. Affairs definitely involve a different type of action.
Relationships are not easy....and I definitely don't equate changing R partners to a hobby.
Do some guys get tired of being patient and waiting? Yep.
Divorce Remedy (page 139) under mandatory DO's when divorce busting. #1 & #2 seem to be very important.