Handsome

Handsome is one of Fallout GURPS advantages. See: Fallout GURPS.

Overview
"You could enter beauty contests! +2 on reaction rolls made by the same sex; +4 on reaction rolls made by the opposite sex - as long as the races are the same or similar."

- Steve Jackson Games GURPS sources

In Fallout
With the abandonment of GURPS, Handsome was removed from the game