Lyrics:

"oh, no," i said
i think about the times
the way you smile at me
and how we always kiss

and how we drank the sun
and killed the night
and fought the sleep and won
and how we left it all unmade

it was only once

now there's more than one
no, there's only one
now there's more than one
you're the only one
you're the only one
you're the only one

it's good to see
that you are doing well
and well enough to be
laughing here with me

'cause what we did
there's no excuse for it
you know i love you so
and it hurts to know what i did

it was only once

i want you to know
that i will always love you
and always be your friend
and never leave you again

the past is past us now
so we can go
and we can move ahead
i hope this letter gets read

if just only once