I'm depressed. What can I do? Please help?

I met a guy on social media but he's not been texting me for a few days. Whereas we used to talk every day and i'm feeling sad. I'm attached to him right now. I think about him all day. I'm crying continuously. I can't think of anyone else but him... Is this love or obsession? Pls helppp😭😭😭😭
I'm depressed. What can I do? Please help?
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