A Code of Honor: Never approach a friend's girlfriend or wife with mischief as your goal. There are just too many women in the world to justify that sort of dishonorable behavior. Unless she's really attractive.
A play is much easier to maintain your personal life with because if you're rehearsing you're working like from 11 to 6 or 11 to 5 and you get to have your whole morning and your whole evening. When you're doing the play you have all day.