I won't livepost it since so many of you haven't seen it, but the first thing is - if he didn't look as young as 21 in 1984, he sure as hell doesn't look as old as 61 now.
Right before we started the movie I was reading an interview with Judge Reinhold (Billy Rosewood) where he said a difference between dramas and comedies is that with dramas people want to talk about the movie, but with comedies they want to talk about what was happening in their lives.