In “Seventh Heaven”

What is “seventh heaven” anyway? My mother would always say she was in “seventh heaven” anytime something wonderful happened. Sometimes she would use the term ” seventh heaven” to describe her longing for an experience yet to come. What does Feng Shui have to do with ‘seventh heaven”? When your personal energy is in alignment and balanced you reach a state of “seventh heaven”.  How do we align our personal energy you might ask? I found