think you're going to heaven, then that proves you're going to hell because that's prideful and only god knows who's going to heaven. you are sort of pinned in to a corner in that way of thinking. >> by 1996, the yates had two children, noah and john. and a short-term job opportunity in florida, rusty opted not to be burdened by owning another house. >> going in to an rv was kind of more of an experiment for us. and so what we did was we rented our house that we had here and bought a 38-foot travel trailer and pulled it to florida and lived at a campground in florida during the course of that assignment. >> at the time, andrea was again pregnant. she miscarried just after the move. in 1997, the yates returned to houston, where their third son is born. in 1998, they trade in the rv for a renovated 350-square-foot bus, a bus they bought from