When I was a child in Minnesota, watermelon was expensive. One of my father's friends, Bernie, was a rich businessman. He owned a large store in St Paul. Every summer, when the first watermelons arrived, Bernie would call. Dad and I would take a bus to Bernie's place. We would sit on the edge of the dock( 码头 ) and get ready for a big meal. Bernie would take his knife, cut our first watermelon, hand us both a big piece and sit down next to us. Then we would bury our faces in watermelon, eating only the heart——the finest, sweetest and most seed-free( 无籽的) part , and throw away the rest. Bernie was my father's idea of a rich man. I always thought it was because he was such a successful businessman. Years later, however, 1 realized that it was not Bernie's wealth itself but his way of dealing with it that my father liked. Bernie knew how to stop working, get together with friends and eat only the heart of the watermelon. Being rich is a state of mind.