That is how you can meet real new people , just start talking to someone who knows you might click with someone .
Don't burn bridges with people because you never know when you might need them in the future .
Get a good punching bag and let out your anger in a healthy way . Use music as a " safe place in your mind , because yelling at someone dose no good it only brings stress , sadness and loneliness at the end . And u don't want that .

Use your anger in a positive way buy punch a bag , it dose not have to be an expensive
one , look on craigslist you can always make a good deal or maybe do a trade for something .
Plus ..
1- It's healthy you will build muscle and get fit
2 - Your not hurting anyone physical or mentally
3 - You will feel so much better letting it all out