I have a gd buddy tat is a guy. oneday he ask me oneday did i treat him as a bf or somethg more?

i juz dun kn wat to tell him? both of us is nursing fm a broken heart's! n i also dun wan to hurt him n his feeling! cuz he been alws there for me when i needed him to b by my side... he wld alws set a aside his thgs...when i call him... n i think i kind of like him a lot already! what am i going to do? he told me that we wld alws b gd buddy n frenz! he wld live in a island n grow old alone!