Is it normal to feel this jealous and lonely after a breakup?

Went through a break up. Have no friends, he has tons of friends, he’s with a very pretty girl now. Tbh, I’m jealous and sad I have no problem admitting I’m jealous. Maybe a little angry, or whatever but I’m just keeping to myself. Deactivated all social media because I don’t wana end up seeing something or to be reminded. Am I the only one? I have these fears of being alone. I dont know why.

Is it normal to feel this jealous and lonely after a breakup?
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