I understand that completely. I don't like having a single pet of any species.being kept alone is very stressful for a horse.
We had originally intended to get a second horse. My daughter wanted to jump competitively, and this horse is not a jumper. He was to be our kid-friendly horse. Given the reduced amount of attention that my daughter's been paying this horse, we're reluctant to put the money into a second horse unless she can demonstrate that she's willing to put in the time required. It's her--not my wife & I--that had been dying to get a horse all her life.
I wouldn't mind getting a donkey, even if my daughter doesn't improve her work ethic. They eat less, don't need all the tack, and wouldn't require much more than perhaps running another low wire around the pasture.Even if your care is loving, you'll never be a substitute for the companionship of another horse (or donkey, goat etc if a horse isn't an option).
Even when he was friendly, he made it tough to get the cinch on tight. He'd bloat every time we touched the leathers, then let up when we were about to mount. I know that's common, so I'm not sure it's indicative of stomach problems.Biting when being saddled is often indicative of stomach ulcers. These can be caused by stress and many, many horses have them, so definitely worth getting him scoped before putting the reaction down to bad manners.