18 kinda shy and never had a gf?

what should i do to get sum1? lol i spend more time tryin to think of ways to make money then anything else, but im tall, 18, kinda shy, and like 165 pounds, not fat, dnt smoke or Drink, so i dnt go to partys. and ya there are girls who msg me on fb nd tagged and stuff sayin they wanna 'hangout' thinkin i have a car nd stuff (but i sold it a while ago), and i dropped out of school a few yrs ago too so ya lol cat fine any1 tht way. and pretty much lost all my friends cuz i stopped bein bad. nd to shy to make new 1s, but sumtiimes ppl do come up to me and i do talk back to them but i never really have anything to say so the talkin doesnt last lmao.