Your ride is complete, and both you and your horse are a little sweaty and a lot tired—it was a great ride. So, you tie him up, remove his saddle and quickly swipe a stiff-bristled brush over the sweaty marks before turning him back out. He'll just end up rolling anyway, so what's the point of a thorough brushing?
There is so much more to how you care for your horse after a ride than you think.