When you break up with someone you cannot be their friend.
As much as you wish to rescue something from the ashes of a relationship you have put so much of your life and energy into, it won't happen, according to UK philosopher Alain De Botton.
In four days his video Can Exes be Friends? has already been watched more than a million times.
The video looks at exes through the eyes of an animated monster (the dumper) and balloon (the dumped).