One of them will be dinner by spring anyway as my movable summer coop will be too small for both of them......... Today we went in together and my favourite roo was attacking him again.
All the mean roosters got invited to dinner by autumn
But I'm mostly afraid this unreasonable violence might endanger other people.
So you are not concerned that this violence may endanger your husband, just "other" people? I consider "other people" a valid concern. If he goes after your husband he could easily go after others. There could be a financial liability if you get sued plus you'd probably feel guilty if anyone else got injured or even just attacked, especially children.
It sounds like you want to keep both boys as pets, not for breeding or flock protection as they do not free range? You've hatched eggs, you may want to do that again from your own chickens. You would need a male for that, but one would be enough.
"Pets" can be a strong motivational force. But you acknowledge one will be gone by spring anyway. I don't keep individual chickens as pets, I keep a flock that has changeable parts. If one part is not working out I change it or remove it. A lot of people don't see it that way.
It sounds like your moveable summer coop (tractor) is pretty small, which may make any new integration challenging.
One of those cockerels has proven to be the lead aggressor. You can try removing him (your favorite) and see how the other boy adjusts. Get to your spring flock now and see how that other boy behaves. Sometimes changing flock members can change flock dynamics.
Or you can carry on and deal with whatever happens in the future. My goals and set-up are different from yours so I can't tell you what to do, that is your decision. Good luck, whatever you decide.
