Do I like him or is it because he likes me?

Has anyone else been confused about this? I know no one can answer this but me, still I'm interested if anyone feels like this sometimes.

Also I've been working quite hard to get this guy to choose me over someone else (I really did like him in the beginning btw) now I feel bad because I don't no if I still like him as much. Was I just being competitive?
Do I like him or is it because he likes me?
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