Oh for fucks sake. Any 24 year old PhD candidate who has even a passing thought of joining a fraternity needs to see a shrink. No one wants to play beer pong with the old dude who's going to be conducting their lecture at 7:40 the next morning. Really. Grow up.
*And yeah, I know it's a troll but still feel the need to lay it out there for any future dullards who might do a search on this topic.*