Really funny jokes-Wife or mistress?

There were three friends - a lawyer, a doctor and a manager. The three of them were talking about the merits of having a wife vs. the merits of having a mistress.

The lawyer says, "It is more convenient to have a mistress. If you have a wife and want a divorce, there are all sorts of legal issues."

The doctor remarks: "It is certainly better to have a wife as it gives you a sense of security which in turn lowers your stress and helps you lead a healthy life."

The manager differs by saying: "I don't agree with both of you. I think it's best to have both. So when the wife thinks you're with the mistress and the mistress believes you are with your wife - you can go to the office and finish some work."