Abstinence & Celibacy Support Group
The pressures of sex from peers, the media and culture can be overwhelming, but you are in total control of your body and celibacy is a choice that many are making. Find sanctuary with people who are choosing to abstain without fear of judgment.
As to talking to girl the best way is just to talk to them more!! Being able to carry a conversation takes practice unfortunately. Talking to your female coworkers casually about things other than work and asking simple everyday questions are great ways to get used to talking to girls. If they don't like you for you then they aren't worth it anyways.