u need to try and forget about this guy...if he is a mate try and think of him that way and if not try not to see him as much as you do, also you should try and find a guy you like who is gay so u can try and get over this man if you cant then just tell him at least then you will know for definate there will never be a you and him so you can move on.....i hope everything goes well for you and dark thoughts are bad try and stay happy