[She fixes Erika with a tired, somewhat baffled stare.]

No offense, but you sound a bit mental right now. It's the middle of the night...if I didn't know better I'd think you were sleepwalking or trying to set something up yourself.

[The derision raises her defenses a bit - naturally, given that she still wants to rally against Erika's dismal worldview. The other day Mio had spoken without fully understanding her, so she's trying to avoid a repeat of that.]