What should I do next?

Well this girl im interested said she wasn't feeling social so I figure I'd wait until she is. I've tried all of your suggestions. Texted her later, continued having conversations, at least try to. I bought some wine for her so I can replace the bottle we drank. While I was out I ran across her hanging out with someone. She's been taking a long time to respond as well. It feels as though she's just being nice and not wanting to actually connect. Feels bad and I've been in this situation way to often. So what would you do if you were in this situation?
What should I do next?
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