This One Hurt. Don't Hate... Before You Grow Up, You Must Fall In Love. wave kids. But that day never came,. In order to grow up, you must first learn to let go of the ones you care about. I like this post. This One Hurt Don't Hate Before You Grow Up Must Fall In Love wave kids But that day never came order to grow up you must first learn let go of the ones care about I like this post