What can't you do/have never done... - That you think everybody else can/has?

[GonzoStyle]

I've also never taken drugs but have been intruiged at times to smoke some reefer, just never have.

I've never shot a gun at a human being.

But, thanks to this nifty hot sauce-spraying wrist watch, I can eat mayonaise.

K1d wins for making me laugh for a good 20 seconds on that one.