Something you can't do?

What's something that you can't do but typically other people can?

For example whistle, curl your tongue, etc.

Can't curl my tongue or click my fingers :(

I can't whistle :(

i didn't use to be able to whistle or click my fingers but i can do that now

i know some people that can like force a burp whenever they want, i can't do that

I can't tie my shoelaces properly.

i cant whistle, curl my tongue, click my fingers
cant blow up balloons either lmao

i can't sleep hence why i'm on da forum

I have never been able to tie a knot in balloons once they've been blown up.

snap my fingers

i can shake my eyes rlly fast