Of course these fears are very much augmented but that's not the point. The point is that one needs to feel all right with herself/himself to be able to enjoy being with others, chatting, etc. It has to do with self-confidence. Psychotherapy and life-coaching are quite useful - you can get visible results in a few months (unless you're severely depressed or have another psychiatric condition).
Now, and in a more lighter vein, check out this funny advice from buzzfeed.com and have a good laugh: