Ted Mosby:  Marshall Eriksen , you just came back from your third date with Lily . How was it ?
Marshall Eriksen: Great . Yeah . I just ... I think I 'm falling for this girl . Pretty hard . But is n't everything happening too fast ? I mean , maybe I should see other people .
Ted Mosby: No , dude , no ! Lily Aldrin is special . You hold on to that girl !
Marshall Eriksen: She is . But I 'm only 18 and ...
Ted Mosby: Marshall . You being _ 18 _ is n't a bad thing . It just means that you get to spend more of your life with her . I mean , I 'm probably not gon na meet my wife until I 'm , like ... 23 !