Gray hair?

I havent been unshaved since I was 13, but my now boyfriend said he prefers it hairy? Anyway I now have a patch of gray-white hair growing in. I’ve always had one streak on my head, coming from a mole, but this is a new one. I’m not even 20 it’s not as if it’s an age thing. Is it normal? Here’s a picture mostly censored for reference.