The body isn’t the entire problem. Some of it is in the head. Putting a new body on the head won’t solve the problem.
The head that gets attached to someone else’s body is not going to recognize the other guy’s tackle when it wakes up.
And which wife will he belong to? This could get complicated. Suppose both women want joint ownership? Ai-yai-yai! Will the surviving head’s wife have a problem with the strange body’s tackle?