When you're banned and you want to know which of your posts was the one that received a warning point... but have to wait for a month to open your inbox?

Nah, most of the time I know.

Never been banned.

Yes.

I'd probably be too pissed to care.

Never have and never will be banned.

I don't know what a ban looks like.

You could always create a second account and then just explain the situation to a mod and ask. They are always very understanding.