As for kicking a cheating spouse out of the house, can you legally force them to leave if they refuse, if they are co-owners? It seems to me you probably can't, but that doesn't mean I wouldn't still try in certain situations.
M: A really long time. Crisis: 5 years. She's still worth it.
Life is never made unbearable by circumstances, but only by lack of meaning and purpose. -Viktor Frankl
