Yes, he would behave differently in this situation. The older hens would teach him manners. I hatched my welsummer rooster and when he was old enough I integrated him in with older hens. They beat him up horribly for the longest time. I never thought he would take over as flock leader. Any time he tried to mate, he got the beatdown from the hens. Finally, he earned his spot as flock leader - he started mating the lowest ranking hen first, then the next lowest, etc. until he made it all the way to the top. All of my current roosters are very good with the hens, broodies and their babies, people, and my kids. One of my barnevelder roosters brought in a grape leaf for my broody so she could feed it to her chicks. A good rooster is priceless.