Lily Aldrin (Alyson Hannigan) is a kindergarten teacher and an aspiring artist.  Lily was originall engaged to Marshall before they broke it off for her to try and be an artist in California.  However, she returned to him after her fellowship ended and the two quickly married by the end of season two.

Lily Aldrin Quotes

Barney: Guys, I just tasted an amazing caterer.
Lily: We already have a caterer.
Barney: Oh right! You're getting married. [to Ted] You see what I did there?

Robin: I've never been to the Empire State Building before, but I'm glad I waited.
Lily: I haven't been to the Empire State Building either, but I'm glad I get to go with my fiancée.
Marshall: And I signed an abstinence pledge in high school, and it's totally cool. Also, stay away from drugs... except pot.

HIMYM Quotes

Whatever you do in this life, it's not legendary, unless your friends are there to see it.

Barney

You are the love of my life. Everything I have and everything I am is yours. Forever.

Barney