I love you back
When you say you love someone so much, you’d take them to the farthest corner of the universe and back. But if you say you love them to the back of the moon, you're basically saying you love them forever, and you’re not messing around.
'I love you to the back of the moon,' he said, and she knew he meant it.
'I love you to the back of the moon,' she wrote, and he knew she was being dramatic.
'I love you to the back of the moon,' he said, and she knew he was just trying to impress her.