Seifer's mind stalled for a moment as he felt teeth on the back of his neck and his body kicked into fight or flight mode. Seeing as flight wasn't an option, nor would it really have been under normal circumstances, his brain kicked in with a surge of adrenalin and anger.
It wasn't really that much of a leap as he still had plenty of anger kicking around anyways and now he had a reason to fight. His very safety depended on it as far as his mind could tell and he wasn't about to go down as cat food without a challenge. His elbow came up on its own accord as he growled out in angry as drove it towards the side of the large cat's neck.