I have a mare, and I have been looking for a new pony for my daughter. We are doing a free lease right now with some people that have a GREAT pony, but she and my mare HATE each other. I've given them about 2 weeks to get to know each other, and so far not much has changed in their feelings. I have tried to go on rides ponying either mare (since this is somewhat necessary for trail riding with my daughter), and so far they just try to kick each other's face off. I thought it would get better with time, but it is not. I am not sure if there is something I can do to mitigate this. My mare's always been a little fussy about a horse on her hiney, but it does depend on the horse. I have tried riding the pony and ponying my mare, and that is a recipe for disaster. The pony squeals and kicks worse than my horse! Obviously, this would not work for my daughter to ride with me. What I am wondering is, I suppose, is there anything I can do to improve the situation, or is this a lost cause? I like the pony and my daughter rides her well enough in the arena, but we can't even begin to go out on the trail together, which was, well, the goal of getting the pony! Is this a mare/mare issue? My mare does OK with our slow poke gelding behind her, but he is HUGE and my daughter doesn't like riding him because he's so enormous and somewhat intimidating. I feel like, in my gut, I should give the pony back and look for a new horse, but I thought I would see if anyone has any suggestions to improve the situation before I throw up my hands and quit.