How I Met Your Mother, Season 8

[Marshall and Lily talk about Ted's excesses in taking care of Marvin]

Marshall:
I think that we've figured out what's wrong with you. You see, after we let you go..

[flashback at apartment] Lily:
[holds book] What is this? Marshall: 'Marvin's Book of Firsts'? [they browse book] Lily: [gasps at seeing Ted and Marvin with Santa Claus] Ted took Marvin to see Santa?!? [seethes and closes book] I'm gonna take this book and I'm gonna shove it so far up his-

Lily:
[holds book] What is this?

Marshall:
'Marvin's Book of Firsts'? [they browse book]

Lily:
[gasps at seeing Ted and Marvin with Santa Claus] Ted took Marvin to see Santa?!? [seethes and closes book] I'm gonna take this book and I'm gonna shove it so far up his-

Marshall:
The point is, it made us remember another scrapbook you made. [remembers Building's Book of Firsts about the GNB Tower] That project really was your baby and now it's over, you're scared to move on.

Ted:
I poured all my blood, sweat and tears into that building. To be fair, a lot of it happened the day I accidentally fell down that elevator shaft. The point is, it's just really hard to let go, especially since that building's my biggest accomplishment. I mean, maybe if I was where you guys at in life, all you had to be proud of... [Lily gives him a lollipop; they all sit down]

Marshall:
We get it, you'll always gonna be Uncle Ted. But if Marvin can't be your next project, you need one of your own, so we rescheduled your meeting with that headhunter. He's over there. [points to black man sitting with children]