"That Guy"...
How sad. That's as bad as cutting yourself, IMO.
I saw a guy on Penn & Teller's "Bullshit" show, who was such a strict vegan that he ate absolutely nothing but a few types of plants. He was in like his late 30s, early 40s, but has osteoporosis, is malnourished, and is impotent. Yet he's convinced he'll live to be >100...even if he *does*, who the hell wants to live like *that?!*
My former housemate (not a boyfriend, just a roommate) was from New Zealand, and was on a macrobiotic diet:
Natalie