I’m 81. The two lifetime mottos that I still constantly use are, “Do what you have to do when you have to do it” and “I can do this” (I whisper this to myself). Fortunately, I was raised in the 1940s and 1950s, when laughter, fun, and positive attitudes were plentiful, probably in contrast to World War II and all of its trauma. Dad was a pilot who loved to tell jokes. I know he honed them while flying the dangerous HUMP in World War II. Mom was a homemaker who always sang and whistled. Because her parents were born in Bohemia (Czechoslovakia) and educated in Austria, singing and dancing were forever part of our huge family’s heritage. In my 20s, I had six children. When my marriage went awry, I decided that I had to go back to college (do what you have to do when you have to …