The late Whitney Houston sang, "Learning to Love Yourself, It is the Greatest Love of All." It's been my experience that all of life's challenges, illness, disease, financial hardship, relationship challenges, self-esteem, lack of confidence, and just about anything else that is unpleasant have their roots in a lack of self-love. So much so that if asked, "Lawrence, if you could only teach one thing, one topic, what would it be? I would say, "I would teach people how to love themselves." "I woul …