X-Files Easter Egg - I Bet He Finds B.J.s Fascinating

In the episode "Aubrey," Mulder claims that he finds women with the initials B.J. fascinating. At that time David Duchovny was dating Peerey Reeves, who was playing a character named "B.J." on Doogie Howser a couple of years earlier, and had starred in a previous episode of X-Files ("3").