I can assure you -- it is hereditary! 
Well, seeing as I can't remember a time when you didn't have gray hair
Maybe so, but seeing as my immediate supervisor is a year younger than me and much, much grayer, I don't feel so bad. I have some gray coming in, but I'm still comfortably in point-and-laugh territory relative to him.
It's cause you're the only toehead in the fambly.
