Robin: But we still have our deal right? When we're both single when we're 40...?
Ted: Yea yea... No, look I can't do that anymore. As long as the door is even a little bit open I have this feeling I'll just be waiting around to see if I win the lottery when you turn 40. I think you know how you feel about me now and I don't think time is going to change that.
Future Ted: Here's the funny thing, in my own crazy way I was kind of happy. For the first time in years there was no little part of me clinging to the dream of being with Robin. Which meant for the first time in years the world was wide open. Because kids when a door closes, well you know the rest.
-How I Met Your Mother Season 7 (Episode 17 - No Pressure)