oh dear Sailing, judging by the folks the rest of our spouses have chosen as OP, a homeless surf instructor sleeping on someone's couch sounds like just the ticket for your wife. As Cadet always says, they "affair down!"
If she spent $3,000 in one month just on clothes for herself, maybe you should take Thumpered's advice about protecting yourself financially, to open separate bank accounts and credit cards instead of expecting her to have the self control to only use her "half" of the money in your joint account. I wouldn't be counting on her chipping in on your expenses much either
Good luck, and even though it is not what I would have done in your situation, I do admire you for sticking to your boundary.
Linda
Me 65, Ex 64 M 38 y 2 adult S, 4 G-Kids MLC 11/07 BD 12/09 D 3/14 Dating nice guy 7/14 Engaged to nice guy 12/17