Actually, its the sugar content, not the fat (although I'm not sure about the chemical process involved). You can put out the burn by putting a small amount of sugar on your tounge.
I've had VAST experience trying to douse flames with soda, tea, water, etc. The sweeter the liquid, the marginally better it works, but you don't get relief from, say, a cup of coke where you wouldn't from the same amount of water. And there's different kinds of hot. To me, chicken wings hot is different from mexican hot. I guess maybe I'm distinguishing peppers.
Interesting. Thanks, I'll try some sugar next time. Be careful of cutting up peppers. Don't touch them barehanded and then touch any part of your eyes or face without washing your hands well before.
I know, a cousin gave me some homegrown Habeneros and I didn't know how hot they were (I liked them because they were "pretty"), I was just cutting them up and just the rising air from them gave me a good eye and nose burn. WOW! HOT! Habaneros are the hottest. Be careful.