Sentinel still doesn't entirely understand why Megatron did. Actually, he does, he just doesn't think it was done in earnest. There must've been some sort of ulterior motive behind it.

"Hmm."

Maybe he's just being paranoid, but he can't get rid of that niggling feeling that this is just all an elaborate ruse.

"What do you propose?"

He's honestly willing to do more than Optimus may expect. Except flower crowns. Sorry, bro, he draws the line at goddamn flower crowns.