How do I make a guy feel better after being rejected?

The guy I am living with told me about wanting to confess his feelings to the girl he likes at work. I gave him all the courage to do it then she rejected him and he got sad. He is trying to act otherwise but I can feel him and I want to make him feel better, but I don’t know how because I’ve never been in a relationship. I am not sad for that stupid girl rejecting him because he deserves better.

How do I make a guy feel better after being rejected?
Post Opinion