Heh, one could simply order pizza through a proxy buyer using BTC. Food problem solved.
Sure, and why not? That counts as "living off bitcoins", as far as my bounty is concerned.
Ah, but it doesn't count for mpkomara's original bounty.
Hell, even managing to pay some significant part of your monthly expenses in bitcoins would be an achievement. I wonder if I can convince my landlord to take some bitcoins....