Boys/friends confidence help!

So I hang out with people who are really out going and take risks but sometimes I feel like when im with a bunch of my friends friends that I dont really know im quiet. What thye of things can I do to be more outgoing and not so quiet??
And...
Some of...

my friends say I act weird around guys what should I do?
8 minutes ago - 3 days left to answer.

just let loose and don't worry about what boys,
and other people think. : ) good luck <3.