Marshall: [answers phone] Hi, baby.
Lily: You are never gonna believe this, but... Hey, someone sent me a text.
Ted: Lily, stop.
Lily: Why?
Ted: Because... Because...
Future Ted: [v.o.] And that's when I realized that the answer had been there all along.
Ted: Throw your phone on the ground, smash it with your foot.
Lily: What? No. Why would I?
Ted: I need you to do this, no questions asked. You owe me a "no questions asked."
[flashback:]
Ted: [on the phone] Hey, Lil. What's...?
Lily: Ted, I need you to come to my classroom with two dozen cupcakes and a box cutter. No questions asked.
[later, Ted arrives in Lily's classroom to find her tied to chair as a bunch of kids circle her.]
Ted: Lily? I brought the... Oh, my God.
Lily: Ted, put the cupcakes at the feet of their leader, then cut me loose. Don't make eye contact.