Losing feelings?

My bf n I have been 2gether 4 1y 1m 3w n 3d n he told me hat he is startin 2 loose feelins 4 me n he said he doesn't know what he wants 2 do cuz we eachothers firsts n he was sayin how he is still young n there could b other options but we fell in love along time ago n that's wut's makin his decision hard n he says he still loves me but he's just losin feelins 4 me. n i dnt want 2 let him go yet. I dnt plan on being w/ him 4 4ever but right now i want 2 b with him n i dnt think he realizes that so i just need some advice on wut 2 do