<P> The Mother is first shown meeting Louis (Louis Ferrigno Jr .) in "How Your Mother Met Me" as she is left to carry the band equipment while the now - lead band member Darren talks to his fans . Later at MacLaren's Pub, she tells him she's not yet ready to date . Louis asks her to give him a call if she changes her mind, and they begin dating not long after . They live together for the next two years, but she knows deep down that she doesn't love him . </P> <P> The Mother meets all of Ted's best friends - Barney, Robin, Lily Aldrin (Alyson Hannigan), and Marshall Eriksen (Jason Segel) - before she meets him . The Mother is responsible for convincing Barney to pursue Robin, as revealed through a flashback in "Platonish". In "The Locket", Tracy meets Lily on a train journey . </P> <P> In "Bass Player Wanted", the Mother picks up a hitchhiking Marshall, carrying his infant son Marvin, on her way to Farhampton Inn . On their way, it is revealed that the Mother is a bass player in the band that is scheduled to play at the wedding reception, but Darren forced her to quit . The Mother ultimately decides to confront Darren and retake the band . Before she, however, Darren walks up to her, furious the groom's best man punched him for "no reason", and quits the band . </P> <P> In "How Your Mother Met Me", it is shown that after this incident, the Mother returns to Louis' summer cottage not far from the Farhampton Inn where she has been staying for the duration of the wedding weekend . As she walks in the door, Louis proposes to her, but she goes outside to think about it for a few minutes . She looks skyward and asks Max for permission to let him go and move on; she takes a sudden gust of wind as a "yes", says goodbye, and declines Louis' proposal when she goes back inside . She leaves his cottage and checks in at Farhampton Inn . On her room's balcony, she plays the ukulele and sings "La Vie en Rose". Ted hears her singing from his room next door . </P>

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