I'd have to go with no, since being the principal breadwinner in a long, long marriage means I'd get completely ass-raped in the divorce, I'd be better off sticking around to do damage control on the finances.
The 'Spending several hundred dollaras a month' part is total irredeemable disaster in the making, if I was in a different stage of my life or not the major earner in the household, I'd be punching out faster than an F-18 pilot having a very bad day on short final to the carrier.