The most important facets for a lengthy life , I believe, are partially in the genes; number two is lifestyle, which include healthy diet and regular exercise. I walk, work and move every day. However, I think too much exercise can be poor because of over-stress; sometimes those who exercise also much time each day die early.
The wonderful issue about’Arrow’is we never say never on the show. Preferably the display can have a wonderful extended life , and all manner of things can potentially happen.