If you feel like it’s making an impact on you, I don’t see how just talking about it will make it worse, sometimes it’s just needed, even if it’s a little awkward. And girls do tend to overthink/analyze in terms of how the guy is acting or how he feels, when it’s actually pretty simple.
I would say that if he’s acting the same as he always has, before you knew that he was bi, and he hasn’t made any signs that he might have feelings for you, I think you’re just overthinking it.
But there’s nothing wrong with just having the discussion to clear things up for you.