On 10/26/17, Wilfred van Velzen pondered and said...
 
 Wv> This explains it very well:

It does, thanks :)

I think I will set mine 3 years in to the future and then extend thereafter
as needed.

I also need to consider  if this current key is technically strong enough now
or if I should shutter it and create a new one using a stronger process and
set that one to expire 3 years from now?

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