Saying "yes" to yourself as you age and poor food etiquette at work

Older Australians everywhere are redefining what it means to age, and many say they started "living their best life" when they hit their 50s, 60s, 70s and beyond. How are you defying stereotypes as an older person or how do you hope to? And, what would you do if your new desk-buddy ate in a way that put you completely off your food?