....I have in fact given. Because the advantage of being the odd one out is getting to appreciate the private jokes and chuckling to yourself. It's the small things. ;-)

Them: How did you break your legs?

Me: I fell off my broomstick right after banishing a group of gawking children to hell

Them: How do you sleep?

Me: Hanging upside down in my bat cave.
Da-na-na-na-na-na-BATMAN!

Them: Does it hurt when you break a bone?

Me: Does it hurt for you to use your brain? 

Them: Can you go to the bathroom by yourself?

Me: No, I need you to wipe me and stand-by to ask my bladder if it's done yet.

Them: Did your mother leave you here all by yourself?!

Me: Yea, don't worry - most kidnappers are daunted by the sight of an 800lb 
power wheelchair, never mind lifting it too.