Probably going to sound fatalistic, but when it's my time - it's my time.

Until then, I figure I need to be living my life instead of wondering, and plotting and planning about when and how it will end.

Why should I suck the joy out of each precious moment I have now?

(I would not be a bit surprised if your FB friend has a bit of narcissism in him...maybe you should read less of him, and join naturesbeauty instead...)