That's one of the very rare eyes-wide-open variations that are more than two standard deviations from the mean to which I may or may not have alluded.
Also I woudn't believe a word anyone under 25 says about ....well....pretty much anything.
There are of course people who can make all sorts of arrangements work. Humans seem to start from a monogamous base and then, depending on the extent to which they are dogs with two cocks (or the female equivalent) and able to juggle truth and lies, venture forth on the sly to greater or lesser...