Give it some time and see if you get any better, if not, quit unless you actually enjoy it. Obviously if you liked falling and rolling you'd probably be better.
The things I am good at (kickboxing and judo), I was always decent at. I could forward roll near perfectly my first day, I didn't work at it.
My first day sparring Muay Thai at an MMA gym, I was on the lower end of average, after six months I was getting the better of one of the coaches. I never had that with BJJ.
BJJ I've worked twice as hard at and I'll never really be good, then again I don't really want to be good at it. So I don't spend much time on it.
Don't spend too much time on things you are shitty at, focus on your strong points.
Ask yourself...why do I need to take people down when I'm a kickboxer. Why spending every day in the BJJ gym when fighting that way is not natural to me?
Honestly, if Judo wasn't so much fun I'd never do it because I don't do takedowns. I would never take someone down in a real fight, it would never occur to me nor would applying a submission.
Conor McGregor can train BJJ all day for the rest of his life, he will never be a champ based on his BJJ. And guess what? Conor hates BJJ, people tend to suck at things they don't like.