HELP ME!!

hey3...
LOL.. i like this person but i knew he loves his ex-gf soo much..
i can't help it to fall in luve to him..
but wht can  i do?? i tried to stop but it just can't go away this feeling..
he said he's just love me as i'm his fwenzs ONLY..
wht? how can i stop this feeling if i always dreamed about u.. plzs tell me why??
why should i leave this feeling even i love him soo much!!
HELP ME!! anyone??
so this pain continues as he have another new gf??
can i tell him i love him..??
can i tell him ur the only i luve??
can i tell him all my loves even he's love his ex??
can I??
plza just anyone just reply n help me.. plzs