And it really has been a rough and tumble campaign with both UKIP and Respect fielding powerful, experienced women candidates who have poured criticism on what they say is the unhealthy monopoly of Labour political power in the town.

BBC: Rotherham by-election sees 'rough and tumble' campaign

What separates a healthy diva from an unhealthy diva is this: Healthy divas stand up for others, not just themselves, says Ms. Fuller, author of a recent book about overcoming "mean girls" and nastiness at the office.

WSJ: Diva Behavior and Narcissism: Healthy or Unhealthy?

And, what is more, it arguably kick-started a wider debate about unhealthy behaviours more generally from the quality of school dinners to drinking habits.

BBC: Queen's Speech: Bad news for healthy lifestyles?

"The study also reinforces what has been identified by previous research, that stress at work is often associated with unhealthy behaviours such as smoking, lack of exercise and a poor diet - all which can impact on heart health, " said June Davison.

BBC: Stress seems to produce biochemical changes

So, we carry on unhealthy relationships throughout our lives and unless somebody actually shows us and explains to us what a healthy relationship is and how to have a healthy relationship and how to have conversations about not only sex but different issues.

NPR: HIV-Positive Gay Latino Spreads Safe Sex Education