I can’t figure out this guys motives?

I went on a double date blindly with a friend. we ended up talking the whole night had a few drinks. Long story short we ended up hooking up. The following morning he invited me to his party a few weeks from then. kissed and hugged me goodbye. the communication has been limited the since the first interaction but he reached out seeing if i was still coming to his party and said i should go. I can’t figure out his motives or what he is wanting to come out of all this. Usually with hookups it’s one and done and never see the person again. I’m just confused on where he is sitting and what his motives are.

I can’t figure out this guys motives?
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