if they know that
they've obviously been a user of pornography
(
Smash Monkey lowering the tone of the whole internet,
Mon 26 Apr 2010, 0:25,
archived)
Whilst...
...they probably have been/are, your logic is wonky. They could've read psychological studies, talked to people, er, you get the drift.
(
Yell Whoop continued to be a nin-com-poop on,
Mon 26 Apr 2010, 9:33,
archived)