My father's secrets to live to a 100th Birthday!

My father will celebrate his 100th birthday this summer! What a date! He has seen October Revolution in Russia, World War I and World War II, the fall of communism and break down of Soviet Union! There are so many events and people to remember. Please leave a comment here to say a few words to my dad! He does have a computer! He will be sharing some tips on how to stay sharp and live to celebrate his 100th birthday!