I must live an isolated life because I am unattractive

The people targeting you with hostility are deeply insecure, and trying to make themselves feel better by trying to make you feel worse. In many ways, we do live ina very superficial culture, however, some of the most successful people in the world could be classified as unattractive: Bill Gates, Warren Buffett, most of the Rockefellers to name a few. In fact, new studies show that "unattractive" people tend to be MORE successful:

https://www.entrepreneur.com/article/312363

Small, insecure people will often try to cut you down, but this has nothing to do with you. They're the ones with the problem. Hang in there, and don't be surprised when you meet someone who genuinely thinks you're the most attractive person in the world.