He was in love with Diana Ross. But she married someone else in ‘86. Dirty Diana was about her. I don’t think he really recovered.
Wild cause she was a groupie. You can see he was going thru it in the first part of the vid. The look back when she started flirting with Lionel Ritchie on stage. Then when Liz Taylor got on the stage next to Michael, Diana pulled MJ close to her. Katherine didn’t want MJ marrying her old ass