Ari Kalechstein, Ph.D. They say it’s more difficult to write one page than five, and that holds true when taking into perspective some 25 years of business experience, of which almost the entirety has been focused on providing mental health support to residents at skilled nursing facilities. The challenge was to limit the learnings to just five. Truth be told, every week I become reacquainted with the limits of my knowledge, which I see as an opportunity to increase my knowledge base and gain new wisdom. Here are the top five things that would have helped me to know some 25 years back