According to Michael Brickey, author of "Defying Aging," playful bantering or gentle flirting with someone outside of your marriage is harmless if proper boundaries remain intact, reports Live Science.

And he has named the 9 red flags that one should look for to know when things are getting out of hand with one’s partner:



1.u00a0If the talk has sexual agenda then you are probably in dangerous waters.u00a0