I might be demiromantic???

So for as long as i can remember ive been VERY asexual and ive never felt any romantic attraction towards other people but ive always liked the idea of a relationship but lately ive been starting to think i have a crush on my best friend? Whenever i see her i just get really happy—more than my other friends and its a different kind of happy and i like it when we hold hands or hug and im not a hugger but i really want to hug her and idk if i just crave the contact because im not comfortable hugging most people or if its a crush so if anyone has any advice to help me figure it out i’d love to hear it