Quote from Ted in Something Blue
[flashback to Ted and Robin kissing in her apartment:] Robin: Wait, wait, wait. We don't want to start having babies right this second. Do you have a...? Ted. No, I don't. Robin: Well, we probably shouldn't. Ted: Yeah. Robin: Risk it? Ted: Risk it. [back at the wedding, Barney notices as Ted is served a bottle of beer while Robin opts for a bottle of water] Barney: No!