Good lists include groceries, what to pack for vacation, errands to run over the weekend and what to buy people for Christmas.
Bad lists include your sex number, erotic fantasies, sexual firsts, and conquests yet attained. These lists are bad only beucase they can be found, read, misinterpreted, heartbreaking, published and used against you by the finder for the rest of your life as either blackmail or as someone's upper hand in your relationship. Neither is a desireable situation, therefore, I don't make lists of those sorts.
The argument could be made that if you don't make a list, you'll forget things... lovers, adventures, kisses, the moments that made you who you are today.
I call bullshit on that theory and maintain that I won't make those lists. I figure (rightly so in my opinion) that if those moments, events and people were so pivotal in your life that they shaped who you are today - you'd remember them! All of them!
If you have lists lying around that you can't share with your children who are, say, under 16, then you shouldn't be listing those things.
Oh, and if you're single or aren't a parent - don't make the lists becuase you'll forget where you hid them and your new lover, your parents or your future children will find them when making the lists is long gone from your memory.