There was a time when parting words remained only in memories - but phones have changed all that.
It seems Tom Hanks and Meg Ryan were on to something in their 1998 rom-com You've Got Mail.
Lovebirds and newlyweds look away, for these are the truths only the bravest among us would dare to reveal.
When a long-standing single friend becomes part of a couple, all parties are to make an emotional shift.
Perhaps for the first time in history you can lie in bed next to your partner and cheat on them.