Future Ted closes the episode by noting that while no one can vow to be perfect, they can promise to love each other with everything they’ve got, because "love is the best thing we do". The End of the Aisle | How I Met Your Mother Wiki | Fandom
Marshall promises to stop shouting at Lily while she is "dropping a deuce". [S9E22] The End of the Aisle
: Robin walks down the aisle to an instrumental version of "Sandcastles in the Sand," the song that first sparked her romance with Barney. Future Ted closes the episode by noting that
They commit to a lifelong process of "updating" their vows as they grow and change. [S9E22] The End of the Aisle