I need some help??..

okay so im 17 and i've been going out with a girl for like a year and a few months now. but way before that maybe when i was like 14/15 i started thinking about like guys and that and sometimes now i still do like what it would be like to do stuff with a guy etc. sometimes i just get confused about it all mainly because i have a girlfriend. i wouldnt say im gay as for now im just really curious