The context of the following conversation is Kendall wore shoes outside, even though it was muddy and they should have worn boots.:
Kendall says There's so much mud and clay all over the carpet in my living room.  And my shoes are ruined..
The friend responds What?  What happened?  Did the dog do it?.
Kendall responds No.  I'm an idiot...Yesterday after it rained the yard was all muddy and I wore shoes outside instead of boots, now my shoes are ready for the trash..
The friend responds You should have known better!  Those shoes were nice, too..
Kendall responds Yep.  And I tracked mud all in the carpet and my wife is so mad..
The friend responds She should be.  She loves to keep her carpet clean..