Ted: Yeah, sorry we didn't stay as laser-focused as you guys.
Lily: Hey, at least I got some evidence.
[flashback:]
Lily: Look what I found in Quinn's bedroom. Barney's taking her to Hawaii.
Marshall: Lily, you snooped through her stuff?
Lily: No. It's like the first thing you see when you jimmy open her desk drawer with a letter opener her grandfather left her, according to her diary.