In accordance with psychologist Michael Brickey, writer of Defying many and aging other relationship professionals, playful bantering or gentle flirting with someone outside of one’s wedding is harmless if appropriate boundaries remain intact. Those boundaries vary with every relationship, needless to say. Just exactly What is considered a breach in a single marriage might be perfectly acceptable for another couple. Difference of opinions also occur inside a wedding.
For instance, I know a female whom recently asked her husband to either give her his Facebook password or shut down his account after she found a message which he had sent to a previous classmate that she discovered to be instead suggestive.