How about this, right after you start riding road, go visit your friend who has lived and ridden in the mountians for two years. Stay out late, get up early, no breakfast, only one water bottle, then do a fifty miler. At about the mid fourty mark I just kind of collapsed on the side of the road. I don't even remember getting back to the apartment. I kind of came back sitting in the shower under blazing hot water. Went to a Pizza hut and ate an entire large pizza while hanging headfirst out of the booth and flirting with the waitresses as they passed by. At least that is what I am told.