Horsey personality changes?

I sold my mare about 3 weeks ago. My paso and her had been together for quite awhile. The mare was without a doubt dominate. I brought over the neighbors mare to keep my paso company for awhile. He is now the dominate horse. He's always been the puppy dog personality. Following me around and looking for loving. Lately he's been standing away from me. Running when I try to get near him. It's VERY out of character for him. I don't go out to just work him either. In fact he isn't getting worked all that often between the weather and my health. I go out every day to feed though. Usually give them a good rub after I throw dinner down.
Is this related to his change in status in the herd? Could it be something else? I'm rather discouraged.

No ideas?

Not sure but there's a horse at my barn that has turned into a real jerk and the only change is he is forcing his way up in the herd so it's a possibility.
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Good be that your horse is the top horse now

How bad would it be if I just had him alone? He'd have horses on both sides to talk with and cows in the back but no pasture mate? I know they are herd animals which is why I have the neighbors mare over. I just don't want him turning into an jerk.

I'd say groundwork. The gelding at my barn seems to be taking his new position to mean he needs to challenge everything including people. But if that doesn't work I am not sure maybe an aggressive mare? Good luck though.
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He did try running me over this weekend which surprised me. It was feeding time and I ended up picking up the trash can I'd carried the hay in and smacking him in the arse with it because he wasn't behaving at all well.
Here I thought I sold the problem horse....
This is obviously about my inadequacies now.

Yeap he sounds just like this gelding. He got a pretty good bite on one of the boarders not his owner. He will chase people now so I'd fix this now before he gets worse
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Thanks! I will.

Good luck. I hope it all works out.
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