Holiday
Holiday is the song I'm the closest to.  It’s about 3 people and one of them is someone who has to choose between the other two.  The chorus, “you are my holiday, you just don’t know, to memorize your face, is to arrive home.”  It just means that it’s lovely to take a “holiday” into the mind, body, soul, of another person.  To be so intertwined, you lose all of the bad of what you are and adopt someone else's good as your own...and then you are changed.