I've heard they pretty much stay in the fog 1 month for every year married... Not exactly sure if that's accurate or how the heck someone came up with that calculation but me and my W were married just a bit less than 8 years before the bomb... will be 9 years this Sept. Though we've been together 11/12 years. Currently it has been 10 months with no end in site... I'd say that myth is gonna be busted!!!