Is it normal that i cant tell if im asexual now?

I used to be boy crazy and sexual things used to feel good (only like fingering by one kid and masturbation)and then i got over that kid and then nothing anyone did from that point on felt good, sex or anything. then i thought i was bisexual but never did anything with a girl. and now sex or anything still doesnt feel good and im getting confused as to wether im attracted to anyone or not. i mean i can still get butterflies sometimes, and i can tell a good looking person from an ugly person. But i have a hard time staying turned on or getting turned on but i can still get wet pretty easy... i used to get really turned on really easy and masturbation felt awesome, not its just ok and is kinda boring.. could this mean im asexual? i mean i have a boyfriend and i love him a lot and he can turn me on over skype (hes in the army) but i cant stay turned on long.. maybe itll change when he comes home.. idk i know im attracted to him but i still get doubtful about my attractions to people in general lately. this never used to be an issue! whats going on! :(