Number one rule of MMA – or any kind of “manly” fighting for that matter – never, never, EVER kiss your opponent, especially in the UFC. Some dudes in the octagon just don’t take that sh*t – check out the video!
Take downs? Hell yeah, it’s part of the game; Submission? For sure; grappling in undies – well, yeah, in MMA this is ok; but kissing your opponent on the mouth – nobody is going to sit still for that one – FOUL!
Exhibit A: The Video: