“Nothing’s as fast as I can be, when I need to be there for my sister.” 
“You’re my brother. I have to look out for you!” 

X-Men #14

Danger: The X-Men. They don’t have the slightest idea of who you really are, do they?
Xavier: I like to think that Jean knew. Knew and understood.

Not my mother. Not my mother!

I live our future in your hands. Love me for who I am now, not who I was.

“All I know is this. We’re stronger together than apart.” - X-Factor Investigations