[Oh wow. Maybe pissing Peridot off really was a goal. M'Lapis continues smiling pleasantly, because the more Peridot loses control, the more that must mean she has it. There is no way this tantrum can get under her skin when she got there first, and she can't possibly lose a fight because she decides whether or not to have one. She meets the outburst with nothing more than a dismissive eyeroll.]

Okay, you're really being melodramatic about this. I know it's tough to hear, but it's not fair to get mad at me for your own shortcomings. Sooner or later, you're going to have to accept that there's a ton you don't understand. You've never been as smart as you think you are, Peridot.

[So damn reasonable. Not a low blow at all.]

But I'll let you cool off a bit. Don't worry too much, all right? I'm not going to hold this against you.

[The pointing finger jabs forth anew, and Peridot's visor fogs up. While she's occupied with that M'Lapis traipses off, the hint of a giggle trailing down the hall as she disappears.]