1/2
[You are not eating all the cake. Let's go back to the "kill them" request; that was much more reasonable.]
[...Okay. So, possessiveness. Of everything Sebastian is and does, apparently, not just whom he calls "master". Perfectly reasonable and entirely within his master's right, Sebastian thinks, but not very like the young master.]
Very good, sir. [That's not gonna happen, mostly because you are not eating all the cake. But also because Lucifer would get bored of that in 0.2 seconds.]