According to Netease Cloud, the original song of Love You Not Enough is Sun Nan, written by Sun Nan and composed by Oveandrebrenna. Published on May 5, 20 10. Some lyrics: I have never been so impulsive, so I have never had such a dream to say I love you loudly. I can't enjoy growing old hand in hand with you. I can hold hands with you and be happy by your side.