At that size, walking ten blocks will burn more calories than any amount of weight lifting you could possibly do in an entire day.
Dude should just get in the pool and do some aqua fit. Solid cardio with no impact. Aside from running in the rain, aquatic sports are the only way to work out AND take a bath at the same time. You just can't beat that kind of efficiency.
Like most fatties, they go to the gym religiously for the first few months determined to get into shape but they eventually lose steam and return to the couch. No doubt Mr. Holloway will return to the darkside when he misconstrues that moment of when a hot 20-something bends over to pick up some barbells as a deliberate cocktease.