Girls do you think I'm in the wrong?

I have a horse which I compete on in the high level show jumping arena. My girlfriend said that she was sick of me spending heaps of time with my horse and told me to choose her or my trusty steed. Well I chose my trusty steed. I mean hes like my right arm were so close that he know what I want him to do without even asking him. But do you think that I'm in the wrong for choosing my horse or is she in the wrong for making me choose ?