To Him, Or Not To Tell Him, That Is My Question?

I can feel myself getting all over the place in this email so sorry about that, and thank you for taking the time to read. I hope all is well with you all. Ok, so, this year I'm graduating high school and, as expected, a lot of my friends are going out of state for college. There's this one guy in particular that's going to be leaving to another state after summer around August. I think I'm a closet homosexual or bisexual, haven't figured that part out yet. The thing is, I've been getting some "vibes" all this year that would suggest he's interested, and sometimes I even just get the feeling that he's gay/bi. But other times I'm not so sure. I can't figure it out, and I'm not sure if my "gut feeling" is wrong. My gut and the vibes are saying he might be, but when I start thinking about it I find it silly that I even thought of that. I've kind of had a crush on this guy for awhile, and I can't shake the feeling off. Since he's leaving in August, is there really any point in saying anything to him? Or should I tell him how I feel and see what happens? I haven't come out to anyone though, and I have no idea about what I should do. And if I'm wrong about everything, then I might offend him by thinking he was gay/bi. I just don't know what to do. I would really appreciate your input on this. 
Angel421 Angel421
18-21
May 20, 2012