“If a guy is skilled at anything, that's attractive. There's something very primal about that and, sure, it can be as simple as figuring out the tip quickly. It's really cool when a guy tips 20 percent quickly and effortlessly so that when the check comes, he opens it and signs his name and done.”

American actress, mathematics writer, and education advocate, born 1975

Danica McKellar is an American actress, mathematics writer, and education advocate, born in 1975. She is best known for playing Winnie Cooper on the television series The Wonder Years. McKellar has also appeared in numerous Hallmark Channel television films and has worked in voice acting. Her animated roles include Frieda Goren in Static Shock, Miss Martian in Young Justice, and Killer Frost in DC Super Hero Girls. In 2015, she joined the main cast of the Netflix original series Project Mc2.