Deliberate mistake: In Saw III we learn that Amanda was the person who abducted Adam from his apartment. However, if you watch his abduction in the first Saw film, you'll see that the person attacking him has the hands of a middle aged man.
Deliberate mistake: The scenes where the left, then the right foot is being twisted are the same shot, just flipped. You can tell because the blood on the foot and the blood on the machine are in the exact same locations in both shots.
Answer: You are not wrong. The man is her lover, he wants her to get a divorce.
MasterOfAll