What to know about what you don’t know you know. #1: Intuition is very efficient—if you don't overthink it.
Verified by Psychology Today
There are many good books on introversion, and I'm sure you could find a few that would help you with the personal challenges you describe. Spend some time on Amazon and read the comments and reviews on the different books presently available on the subject. And then decide which ones might be worth purchasing to develop your social skills and comfort with others, particularly those whom you don't already know.
Get the help you need from a therapist near you–a FREE service from Psychology Today.