How to help him?

I have an older brother. He was interested in a girl and things were looking well for him. But then she ended things and it really hurt him. I know few girls who were interested in him and one my friend wants him. But he looks so uninterested. He doesn't want to hear about dating and stuff. He doent smile that often and acts like he doesn't care about anything. He just hangs out with friends and all they do is drinking and watching soccer. I know he is hurt but he has more opportnuties.

How to help him?
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