I can only base my speculation on the tones of voices and each of them seemed to be less than friendly to the other. Clive and Zelos popped into my mind as an imperfect comparison but...if something actually did happen between them, it would explain a few things.

It's hard to tell if he does or does not have a problem with me. Although he can be equally annoying, in the way a young child can. I helped him out in the darkness but he got on my nerves.