Good at everything. Great at nothing.
"A good idea is worth taking risks for." I once designed a font instead of writing a final paper during my undergrad years. I got an A.
My Grandfather, a German immigrant turned Chemist and PhD, and the most sincere person I've ever known. He was the kind of man who seemed to know everything but still always listened before he spoke. I learned a lot from him.
I can eat an unlimited number of donuts
Strangely enough, complex mechanical instructions. I love working with my hands, and I generally fix anything with walls, a roof, or an engine on my own. I could read mechanical how-to guides all day, and once I do, I find the knowledge just kind of sticks.
I'd teach someone to master sarcasm. 5 minutes is plenty of time.