[Optimus hadn't actually fallen into recharge yet, but it was a near thing. He gave a shake to rouse himself before making a short rasp of a laugh]

Hello, Optimus. Still having fun, are you?

[He decides to sidestep most of what was said, although he feels unexpectedly touched at the declarations]

Are you still there? I can make my way there to accompany you, if the others have left.

[Meaning Megatron. If Megatron had left. He gets a repeat of the sour twist of irritation that had made him leave in the first place, but it can be ignored for now.]