Atheism, Religion, Spirituality. Belief without Proof. Is it a deal breaker?

Couples have much to contend with these days. There is always something lurking in the dark to challenge the healthiest of relationships. One of the major hindrances is religion. How can two people harmoniously walk together along two different spiritual paths? We will look at this issue and discuss the "Thou shall" and "Thou shalt not'"  ramifications of this situation.