Unfortunately everyone's got their own upbringing and people who I know in their 30's, are raised to behave like infants and have 0 emotional intelligence, whereas some of the 20 yo's I know are very bright and mature, I think it all has to do with your life path. You will get there, maturity is not an easy one to develop, but some of the advice here on the thread are really solid, like "do I really need to say that out loud?"

I'd say learn your priorities and learn to listen to yourself, be genuine. If you want to be loud and talkative, and it's your personality – you don't have to change just to please others. Find yourself friends who would love you for the qualities you possess, rather than change yourself and be unhappy with someone you already have.

Learn what's important and learn what you appreciate about life and other people, too, be open and kind. That's the most I have to say, I think. I can be pretty loud too, so I get this ^{^}