Is it ok...im 15...hes 18?

ok well i was wit sum guy dat broke up wit me ...i mean i truly LOVED HIM N STILL DO!!i cant get over him...he said he loved me n all but not even a day later he got wit sumone else!! but den he has his homie dat is really close to hes 18..ive bn talkin to him cuz he understands me n says dat he fuked up cuz he got wit dis one gurl liike not even a day after n his homie said it was disrepectful..i hate da thought dat i cant have him nomore n dat sumone else has him[[tears]]but idk if im startin to fell sumthin 4 him or if is just friendship love which i think dats was it[2 da 18 yr old]..i mean his really nice not wit a bad intension.is it wrong if im talkin 2 him...n end up likin him as in likin him n end up gettin 2gether...i mean not sayin dat we are but only IF..wud it be wrong or is wat im doin wrong like talkin 2 him..cuz idk hes sooo nice but i wana like him like i loved da other one...but i think dat cud be impposible cuz da other one was..I JUST LOVED HIM SOO MUCH!!wat can ido