And this commandment have we from him, That he who loveth God love his brother also. This is a commandment. God does not ask you if you feel like it or if you want to. Because I love you, you are to love your brother. Warren Wiersbe has a comment that I want to quote here.
Spiritual honesty brings peace and power to the person who practices it.
He doesn't have to keep a record of lies he has told, and he is not using his energy to cover up. Because he lives in open honesty with the Father, he can live in honesty with other people. Love and truth go together. He loves God, and therefore he loves his fellow Christians.