Rogue figured that was the reason she had stopped with her own father; parents were never satisfied. You could be the top of your class and still be the lowest of the low in their book. Besides, they had a nasty habit of trying to push down and keep you where they could always find you. She couldn't stand that, so she ranaway. It was just a eerie coincidence that her powers manifested around that time and made for a even better reason to leave.
"I do. You just open your mouth and piss people off. It's natural for you." He always manage to annoy her and he didn't even have to open his mouth.