The whole FC housing idea reminds me of Atlantica's housing, where a player can invite guild members over to their house (individual player house) for what's called a "Feast" to get a buff that lasts an hour or two. Also, as an added bonus when you ate, you turned into a little creature of some kind (it seemed to be random depending on the meal offered) and could run around doing funny emotes and stuff. Could be a mushroom, raccoon, whatever. Feasts are more like a little party, it seemed, here's one to illustrate a bit better:

http://www.youtube.com/watch?v=WslVYHIaaNc