Perhaps it was merely a difference in point of view and upbringing that made Megatron hesitant about the 'polite' gesture, but then again it might simply be because he was him.

He'd been somewhat thoughtful over how... ah, knowledgeable Orion was in general, so the response was more than welcome. Optics dimming, Megatron enjoyed the way the sounds felt against the thinner metal of his mouth, and while he pushed back against Orion's tongue, trapping friction and teasing up tingling static, his field, on the other hand, curled just beyond the reach of Orion's.