[She laughs a bit, but it's not really a laugh of humor, just... something that fills the silence. A small lift of the shoulders. Alphys still hasn't let go of his hands, looking at him with sympathy in her eyes.]

Yeah, it's... it's hard not to lie. Trust me, I k-know. I've been trying to get better about it too. Sometimes it's really hard, especially when you feel like you're not... enough for the truth? I guess? Like the truth is some great sweeping thing and you're just you.

[She has no idea if that made any sense. Honesty is making things weird.]

I just b-believe in you, okay? And I believe that it'll make you feel better to tell him. Otherwise you'll just... sit, and wonder, and be sad about it.