I also knew you were going to mention eminem. Now If I say my name is Davan - you will proceed to criticise me for my ignorance of somethingpositive.net :)
I know how it feels. It happened to me. And she didn't feel the same way. :(. Sure being rejected sucks - but not knowing is even worse. What if you don't say anything and he did like you but then thought you didn't like him and moved on and found another girl aye?
Yeah the best way is to just confront him with the issue. Being subtle doesn't get you anywhere. Just tell him that you want to know where you stand with him and if he doesn't feel the same way with you tell him your concerns about it affecting your friendship and workout ways you can deal...