Lily: Wait. I know one vow we kept.
[flashback:]
Marshall: I vow to make you breakfast in bed every Sunday morning.
[present:]
Barney: Really? You still do that?
Marshall: Absolutely.
[flashback to Lily in bed as baby Marvin cries:]
Marshall: [o.s.] Heads up! [throws a bagel at the headboard]
Lily: Oh! No cream cheese?
[Marshall throws a glob of cream cheese which sticks to the wall. Lily smears the bagel in it]
[present:]
Barney: Oh! You feed her like Sloth from Goonies. So the magic's still there.