Too many people limit their happiness and success by assuming that taking time off from work will send a negative message to their manager and slow their career advancement.

You've probably noticed how when someone says hello or smiles at you, your automatic reaction is to say hello or smile back.

The idea of investing in the positivity of employees is often low down on companies' priority lists.

You spend money on Internet connection for your employees. Why not spend money on the energy that fuels their brains?

I have a good cry once in a while; it's such a great release. Or it could be a cry of joy - watching your child being born or your child walking across a graduation stage.

There is even a happiness - that makes the heart afraid.

As a producer, when you get to work with a filmmaker who is joyful about making films, you want to do it again and again.

There are such wonderful blessings in my life - I have this amazing baby, an amazing family, and I loved X Factor - all these moments of joy, and then these sharp drop-offs. I'd be awake, lying in bed, crying. There's these weird moments of misplaced anger I have.