Read a book by dale Carnegie called "how to win friends and influence others" it helps a lot plus know this is pretty much every bodies problem eapecially if u r a teenager till 30sth I recommend you to do these steps believe me it helps me and i hope it would do same to you. 1.dont overthink on useless things 2. Know what and what not to say in a social gathering, if u don't have any good thing to say don't say nothing at all, this one helps a lot 3. Read books ,they say knowledge is empowerement of ones mind and reading is all about developing confidence 4. Minimize usage of electronics especially phone especially social media this should be the first step Technology decreases social interaction skills it is a universal fact and let me know if it helps