Originally Posted by Golden Horse
I have kept a horse on his own and he seemed to be fine, then we got him an old retired guy as a companion, but every time I rode my guy out the companion would start screaming and my guy would yell back and then he started getting buddy sour.
I don't know how my guy would have done long term on his own, but I was happier when it was just him and me, adding another horse was great when they were just hanging out, but a real PITA otherwise.
Its why when people talk about getting a companion for a riding horse I stress the importance of getting one that will settle happily on its own when you leave it - otherwise you end up in the situation where you need a companion for the companion!!!