Pain killer boyfriend.

when a man is having an extra affair, we call that a small house, right? what if its a married woman having an extra affair? Are we free to call that a pain killer boyfriend? what type of pain she will be trying to kill which her husband is failing to kill? I just want us to share on the pain killing part, what type of pain and what the pain killer boyfriend would be doing that her husband is not doing? Let's open up and feel free to share.