I don't talk much, for the longest time I thought it was just my personality. I had one good friend and my mother who talked a lot, so I didn't feel the need to talk more. That led me to isolate myself for a long time without even realizing it, essentially only talking to that friend and my parents. Now I'm almost done with my bachelor and I just started to talk to the other students about other things than school. I realize now that they did so much more with their lives than me and they can all carry normal conversations. After 22 years, I eventually realized that if I want to talk more, I should to things that I can talk about, instead of just staying in my room and studying. I'll enter the adult world in a few months and I'm still socially awkward, virgin, ignorant about everything, not the most responsible and kind of immature in comparison to all the other students. I feel like a complete idiot for not trying to talk to people earlier and not realizing that I'm wasting my life. 

Do you guys have any idea how I should start to tackle this problem? It feels like I would need another 22 years to start my life over and catch up with everyone else...