combine your nickname and birth date (how can you forget those)
or your children's nickname and birth dates
pick a name and a set of numbers that you can never ever forget
mix them up (first syllabel-date-last syllable, name-date-name, month (not starting with zero) name/syllable, date/year, last syllable)
Write down your passwords in a little black book.
Make about 6 common ones
rotate your passwords every other month.
You mean to say that on this site that does not ask for your address, credit card numbers and such that one would have to change their password that often? Just to come here and criticize other peoples belief system. Please if you may give those out there a reason for that.