She stands under the light, waiting for you Only to say that the light is fading Running to the door, you trip over what you're looking for Years of hiding your head in your hands And when you feel yourself jumping from the highest height To the scariest point below Please promise me this one thing You won't fall 'cause you think you're in love And I say don't leave until you tell her tonight And I say tell her she's your baby In December, under the light When the night gets so dark and the world is cold You know that she'll be there for you to hold And I will not be your winter No I won't call you outside Grey is the room that holds your heart And red are the eyes that let you see What you seek to find but you're too scared to see Oh, everything you can be And I say don't leave until you tell her tonight And I say tell her she's your baby In December, under the light And I say don't leave until you tell her tonight And I say tell her she's your baby In December, under the light Under the light And I say don't leave until you tell her tonight And I say tell her she's your baby In December, under the light 'Cause only you know the degrees of your heart