Alternately, you can take the attitude that you will practice radical transparency in your online and offline preferences and habits, so there's nothing to potentially blackmail you with because you live your life unashamed.
I mean, personally my initial reaction when I first heard about the early Snowden leaks two years ago was "welp, hope the NSA enjoyed reading all that Tony Stark/Bruce Banner fanfic as much as I did."
If this the case for you then please walk down the street naked whilst reciting your banking password... I doubt you want to do that. Everyone has something to hide.
I mean, personally my initial reaction when I first heard about the early Snowden leaks two years ago was "welp, hope the NSA enjoyed reading all that Tony Stark/Bruce Banner fanfic as much as I did."