I don't see where the question of him being interested in you is coming from. It's quite obvious that you two are attracted to one another. Don't overanalyze it just enjoy it and let things flow. If you try to make sense out of everything and try to define every nuance it's really going to be a detriment to possibilities. Just have fun, enjoy yourself and get to know him even more. Keep hanging out with him. Definitely see if he'd like to get together again but don't get clingy and ask over and over and hang out daily, that can get old quick.

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Heit ist mein taug.