Better yet, don't require "changing everything". Write a program that takes a password, and upon validation sends you an email. If you don't reply within a ce

Better yet, don't require "changing everything". Write a program that takes a password, and upon validation sends you an email. If you don't reply within a certain period of time (say, a week), then it will send your info to whoever you want to leave it to. And make sure you can change the waiting period, in case you go on vacation or something.