I've always wished that I was a great singer. A person with a great voice has always been super attractive to me.
Timing for music. I got feel, that don't do for reading sheet.
I wish I was artistic. That I had an aptitude for painting and pottery. Though, if I had the nerve to try a pottery class, maybe I would discover that I was good at it.
You are always going to be good at what you pay attention to and work at
So go do it.
I've taught art to people who thought they couldn't even draw. Anyone can learn to draw. Get the book "Drawing on the Right Side of the Brain" and follow the exercises if that's something you'd really like to do.