Just don't be afraid to talk to people. The first few words are the hardest to get out but once you get them out of your mouth but once you get them out of the way the rest is simple and will fall into place. As to motivating yourself just try new things and see what you like. When I was shy, not talkitive, and wanted to make friends I tried new things. For me I figured out I found a love for snowboarding. It not only made me morw outgoing, but I also made a lot more friends in the process