This as-told-to essay is based on a conversation with Victor Chan, a 73-year-old living in Singapore. It has been edited for length and clarity. Health is wealth, and I've always believed that. I'm 73 now, and I still work five days a week. My job as a pool supervisor keeps me active — and staying active keeps me working. When I was younger, I got into bodybuilding after some friends encouraged me to join them. We trained together, and on weekends we'd head to the beach. Looking fit was part of