Hello I Am Nineteen Year Old Female, And I Am

Hello i am nineteen year old female, and i am having a extremely hard time getting off when i am in be with my boyfriend. i am extremely attracted to him, but i just can't get there. i was wondering why. I can't get super wet either, it is extremely hard for me to get wet actually, i could be extremely turned on and for some reason never get wet. can you help me out.