The most crucial facets for a long life , I do believe, are partially in the genes; number 2 is life style, including balanced diet and standard exercise. I walk, run and move every day. However, I believe too much exercise can be bad as a result of over-stress; occasionally those who workout also many hours each day die early.
The nice thing about’Arrow’is we never say never on the show. Preferably the display could have a wonderful long life , and all method of points could possibly happen.