The sex rumours mean nothing. They don't deserve airtime, even if there's some substance in there somewhere. Unless they have implications of an Apollo breach.
Instead consider the reason he's off the radar is because a familiar member has a serious diagnosis, like terminal cancer, or has attempted suicide. Something along these lines. Something you don't just blurt out. His actions, the club actions, and the way the press is reporting it are compatible with that kind of scenario. I'm laying off him.