The most crucial factors for a long life , I believe, are partly in the genes; number 2 is lifestyle, including healthy diet and typical exercise. I go, work and swimming every day. However, I do believe an excessive amount of workout is also detrimental due to over-stress; often people who exercise also several hours each day die early.
The good thing about’Arrow’is we never state never on the show. Hopefully the display could have a great extended life , and all manner of things can potentially happen.