She is so lost in her sadness that she has no idea how visible it is.

No funny stuff in here tonight, you understand?” Dash said, “I assure you I could not contemplate any of your so-called funny stuff seeing as how I have no idea why I’m even here.” Mark scoffed. “You bookish little pervert.” “Thank you, sir!” Dash said brightly.

When it all come down to it, the thing that matters most in a relationship is principles [...] We have the same idea what’s right and what’s wrong, and that’s got us through any number of things. If you can have that with someone, then you’re most of the way toward love. Not just lover-love. Any kind of love.

I had no idea what I wanted, only that I wanted something, which is the worst kind of wanting.

But I still has enough longing for that concept that I didn't want to dispel it completely. Meaning: I didn't want to tell Lily that I felt we'd all been duped by Plato and the idea of a soul mate. Just in case it turned out that she was mine.

He has no idea how beautiful the ordinary becomes once it disappears.