In sports, I was taught to work on your weakness. Practice is for weakness, game is for your strengths, and if you have been practicing enough maybe your weakness can become your strength and/or a strength.

As far as how to do that for you, specifically, I have no clue. I likely have not met you or anybody else in this subreddit a day in my life, but you likely know, and if do not know, find it. Then find a way practice it, if it's approach anxiety, start even talking to 80-year old who are not paying attention to a word you say. Start a chat about anything with someone at an empty checkout counter. If it is texting, text a teen hotline, why not?

If it's multiple things then start with one, just do something