Succesfull Beggar

A college student walks down the road when he sees a beggar on the side of the street. College Student (C) : Hey mister! whatsup! Beggar (B) : Yea how you doin'... C: So, how long have you've been a beggar? B: It's about eight years now kid.. C: WOW! Thats long time.. how much do you get per day? B: Not that bad... about 250 bucks a day... C: That's enermous! B: Yeah.. Enough for living my family.. C: Owch.. you got family too! Where are they now? B: My wife's dead. I got three children, one of them in Harvard University, one in MIT, and the other one went oversea, he goes to Oxford University... C: *pause, surprised* That's..that's really great... So, when they're gonna be graduated? B: No kid... they're not studying! They beg in there! just like me!!