I was terrible at maths, but I could grasp science, and I used to love to read about the lives of the scientists. I wanted to be a scientist or an inventor.
In twenty years you'll look back at photos of yourself and recall in a way you can't grasp now how much possibility lay before you and how fabulous you really looked.
If you know your characters well enough, you aren't trying to grasp for storylines. You're really thinking about their flaws and their passions and what they're chasing.
I don't think anyone who runs a TV show would ever say to you, 'I have a grasp on running a TV show.' Maybe that's not true. Maybe there are people that do. I don't know.
In retrospect, I think I had some kind of learning disorder. I could kind of charm my way through grade school, but in high school... I could never seem to grasp things.