Cookies
I suppose it is, at least by that logic. All generosity, even the martyring kind is for our own good, ultimately. Though is it less saintly when the sacrifice is made with reward cerain?
My reward for giving the cookies away was not being able to have them anymore, sure as anything that benefit came true quick. And it built some good will with the housemates. A win win.
Now I just need to figure out the tax implications of tithing.