1 Days Left to Support a Troper-Created Project : Personal Space (discuss)

Laconic / Now You Tell Me

A character isn't given a warning until after they do the thing they were warned against.
Visit the unabridged version here. Oh, by the way, if you do that, it will make your computer explode.

http://tvtropes.org/pmwiki/pmwiki.php/Laconic/NowYouTellMe