i can think of one

iv known him for 2 years now

i find my friend really attractive he's a boy and i dont know if he's straight or gay but i cant stop thinking about him and i want to tell him how i feel but im afraid he'll react badly. what way shoul di approach him aboout his or how could i find out if he has feeling for other guys beyond friendship 2. its driving me mad. hope some1 replies thx