As Sonny said, he might have just been a bit nervous at his new house, and he thought he might be able to boss you.
I don't mean to be mean, but don't get too carried away with him. He is only young, and well, they don't have all that much 'brain' at that age. Try not to think TO much, that he will be good from now on, they all have their good days, and well they all have their bad days.
Just wondering, did you decide to try the way I suggested, with the whip? (You were getting so many fantastic answers !!)(I thought that might be handy one day aswell !)
Well, Sonny, I think you're right, 'little pony' didnt want to get on the wrong side of you Few !!
Dream like you have never dreamt before, Dance like you have never danced before, Love like you have never been loved, Sing like no one is listening.