Clean, well maintained, and in control. It was clear enough to Megatron that something about this was motivating Sixshot out of his heartbroken ennui. He was a little impressed and curious to ask him how he was feeling about all this.. but - well, he had to answer Sixshot's question first, didn't he?

There's a little hesitation from him, but eventually he just nods quietly. They both knew this was now, unfortunately, quite necessary.