There is so much rubbish on this thread pushing the error of perfectionism, that I don't blame people for running to OSAS out of pure frustration. It is very easy to live in peace with God and have blessed assurance;
(Matt 22:37 [KJV])
Jesus said unto him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.
(Matt 22:38 [KJV])
This is the first and great commandment.
(Matt 22:39 [KJV])
And the second [is] like unto it, Thou shalt love thy neighbour as thyself.
The Holy Spirit enables us to walk in this love If we allow Him to.
Just because a man gets in a disagreement with his wife once in a while does not mean that he dos not love her. It certainly does not mean that they are no longer married. It does indicate that he is not perfect and does not need to be.