Peridot hears what she's saying, but it's hard to tell if she's actually listening. While Amethyst is talking, she shifts back into something akin to the fetal position, drawing her knees up and sinking deep into the water.

"I--" she rasps, and trails off for a second. "I think I need to be alone for a bit. So I can process this data."

In other words: Please Leave.