i used to be that way dispite the fact that most of my friends were male. my advice is to first boost your confidence. then go after wat you want. easier said than done, but here's a trick. every morning look in the mirror. look into your eyes and say
i am fabulous or watever your fave positive affirmation words may be. you may want to try
courageous and
out going. say this everyday along with the phrase
i lovemyself and before you know it you'll be out there and not dodging and diving into trash cans and you'll also find yourself becoming a better person. not that you're a bad one now but i believe there's always room for improvement that's why the world changes
best of luck