I can’t comfort or make people happy, and I’m stupid. I'm stupid, what should I do? I sincerely ask for advice.

First of all, you need to regain your confidence, use what you are good at to hint that you can do it, and then communicate more with friends and have more contact with some people, preferably the opposite sex. After being in contact for a long time, you can slowly Learning to comfort others can also improve your eloquence and make you eloquent. This way you will naturally not feel stupid. I hope you can become a lively and cheerful person.