Lily: I decided to go to Minnesota to see Marshall. He shouldn't have to help his mom through this rough time all by himself.
Barney: You losing your mind, being alone in your apartment?
Lily: I'm getting weird! [v.o.] See, it started off with me throwing Marshall's jersey on my body pillow. And, well, things kind of spiraled from there.
[flashback to Lily sitting down for dinner with a pillow wearing Marshall's suit:]
Lily: I'm sorry I yelled like that before.
[present:]
Lily: I call him "Marshpillow." And he calls me... nothing because he's a pillow.