How big is your circle?

One of the hugest tips thrown around when talking bout success is your circle. By circle I mean closest friends that you communicate the most with.
How big is your circle? What kind of people are in it? Do you even socialize a lot?

I find it impossible to find friends my age (21) interested in succeeding at anything as much as I do. All I have are bunch of minimum wage friends living at parents thinking bout nothing more than next video game and getting drunk at weekend. They are fun though ...