An afternoon, maybe. A day, remotely possible. Anything beyond that, I don't think so. A week-long bp trip, and you might return a raging diabetic! DUG, did you really do this?
I remember hearing a long, long time ago that some scientific study determined that there were 3 comprehensive foods that a human could subsist off of indefinitely - peanut butter, milk and . . . beer. I have absolutely no clue how (in)accurate that statement may be. Probably an urban legend but it would be fun to find out. If only beer didn't weigh so much . . .
Do they make dehydrated beer? Just add water . . .
