Marshall: Look, it's been a while since Ted really liked someone. He's clearly got a lot of crazy stored up. We just... We thought we'd get him to say "I love you" before he makes contact with this girl.
Barney: And you can tell it's on the way. He's exhibiting all the telltale signs.
Marshall: Yeah. One: He joked about getting married.
Barney: "You like architecture? We should get married. "Ha-ha. LOL. Just kidding. Question mark."
Marshall: Two: He made a crazy way too soon trip suggestion.
Barney: "I like beer, too. We should totally go to Germany together. LOL. JK. LOL."
Marshall: And three: He got way too personal way too soon. "Yeah, my parents got divorced a couple years back. It was really tough. LOL."
Robin: And he clearly doesn't know what LOL means.