clydesdales are amazing! I have a Clydesdale cross, he looks more of a clydy tho. I only got him about 2 months ago, when he arrived he acted like he had been here all his life. He is calm, friendly with everyone and has the sweetest nature. I sit outside and read, and he just stands there with his head over my shoulder the whole time hehe, but he doesnt understand personal space yet, he's only 2 but loves to be close to you ;p and they learn quickly!
I was at a heavy horse show the other day, and every clydesdale just stood there perfectly. Very calm