its obvious its to do with
LARRY STYLINSON

PS. READ THE LYRICS AND PIECE THE WORDS TOGETHER

SECRET TATTOO? LOOK AT PICTURES OF HARRY AND LOUIS TATTOOS

DOES HE KNOW THAT YOUR OUT? BASICALLY IF YOU USE YOUR HEAD AND CHANGE HE TO SHE. YOU GET THE PICTURE

DOES HE KNOW YOU'LL NEVER GO BACK? BASICALLY IS SAYING HES LOUIS

I CATCH YOUR EYE THEN YOU TURN AWAY? LOUIS AND HARRY ARE VIRTUALLY ALWAYS LOOKING AT EACH OTHER DURING SONGS ON TOUR AND INTERVIEWS THEN LOOKING AWAY

BUT THERES NO HIDING THE SMILING ON YOUR FACE? HARRY AND LOUIS ARE SO HAPPY AND ALWAYS LAUGHING WHEN THERE TOGETHER, WHEN THERE NOT THEY DONT SMILE OR LAUGH FOR REAL