Erin might not notice what she said but Crabb definitely does, and her face gets just a little bit warm for it.

"Pretty sure we don't, think it all just runs on the same logic as the rest of the tech. Works because it should."

She gives Erin one last kiss on the head then gently releases her, since she mentioned stopping being touched. "Do what you gotta do, Erin. And don't worry about us too much. No one can get in here right now, yeah?"

Plus she'd fight any damn person on this ship for Erin right now but she doesn't think 'squishy mundane human girlfriend will fight even overpowered foes for you' is reassuring.