Because Brian double-triple-dog-cat dared me.

EXT.BALCONY - EVENING
DENNYCAT and ALANCAT are sitting on the balcony sniffing
catnip and eating tuna.  AlanCat is also washing, with a smug
air.
DENNYCAT
That was a great trial.  We kicked their
mangy asses!
ALANCAT
We certainly did, my friend.
DENNYCAT
Their attorney was so stupid.  I'm
going to go over to his office and
take a nice stinky dump.  It's the
only way I can think of to properly
express my contempt.
AlanCat looks over at DennyCat, paw raised in mid-wash.
DENNYCAT (CONT'D)
What?
ALANCAT
You'll get arrested!
DENNYCAT
Will not.  Mad cow.
ALANCAT
Another shocking scandal for the
pet food industry.
DENNYCAT
What's Kitty Legal without some
relevant, topical humor?
DennyCat scratches his ear.
DENNYCAT (CONT'D)
Want to come back to my place?  We
can sleep in a heap.
ALANCAT
How is this different from the TV
series again?
DENNYCAT
Talking cats.  David E. Kelly needs
more talking cats on his show.