Me being of an open mind, tried to go ahead with it, but I just couldn't do it, too intense for me! You don't have to do it, but at least if you do you'll know what the partner wants.
One difficulty for me in rough play has been me not wanting to actually acquire the ability to be disrespectful to my partner (wife).
Sometimes make believe adopts an oppositional nature, resulting in games such as cops and robbers.
Historical re-enactment has been practiced by adults for millennia.
Or create and GM your own game and add to the 88,631 characters and 7,872,623 messages already on the system.