Have u ever had a crush on someone but wish u didn't?

u know that feeling like u know nothing is ever going to happen because u know for a fact that they don't like u the same way? If you've ever had this feeling and gotten rid of it how did u do it? Cause honestly I'm falling for this guy and I really wish I wasn't cause he's not my type for one thing and I can tell for a fact nothing will ever happen. I also don't even want to be thinking about a relationship right now when I'm focusing on me only. I'm frustrated and I just want to strangle someone.. :(