I would think that interrupting a roo while mating and then carrying him around would make him MORE surly & irritable, more inclined to feel defensive & attack, and less happy to see you around.
From what I've seen, a roo's temperment is a combination of nature & nurture. I don't think you can really change the nature of a roo predisposed to be aggressive, or not very much, no matter how much you coddle them. However, I think that mistreatment can push an otherwise genial roo to be aggressive due to feelings of fear and mistrust.
I've met enough nice mannerly roos that I won't waste much time trying to reprogram an aggressive one. To me, it's not worth the trouble trying to convince a roo that he's my subordinate. I find that a nice long, hot bath really relaxes even the nastiest of roos. I'm talking about a 2-hour simmer in a soup pot...