Growling when his lip was bit, Megatron pushed back more firmly momentarily, devouring Optimus' mouth before he sat up with a smirk. Keeping the hand he had around Optimus' throat, he reached for the cube again and slowly took another deep drink which wasn't swallowed down.

::Stop me whenever you feel like it.:: There was teasing challenge in Megatron's comm. as he leaned back down again, this time pausing right over Optimus' mouth, thumb stroking the chin guard and laying a quick, vent-light closed kiss on the lips beneath his before he dove down, this time not teasing for entrance, but rather forcing his tongue in.