Most Horses: Keep reasonably clean.

The Horse I Ride: Oh lol no I must roll in this mud this poop this grass oh is it raining out oh I hate the rain but oh I love mud yes I will poop all over my stall then roll in it and the sticky shavings cause I like to be dirty and bother you oh you just groomed me well too bad here is a nice pile of mud oh put me in my stall so I won't roll sorry that won't work oh give me a bath that won't work either yes I live to be dirty wait maybe I don't like the dirt and mud doesn't matter I'm gonna roll anyways lol you just love me so much.