As I get older I realise that I place more and more importance on time than money. When I was younger and had no real responsibilities money was a key factor when applying for new roles. Fast forward 12+ years and time and flexibility are equal to pay in a role for me. 

I don't think I'm alone, but many of us feel trapped in the never-ending hamster wheel of working more and more in order to generate a bigger financial gain. But its not conducive to real happiness. 

The link to the article below explores this concept in much more detail. Its a long one, so get comfy, but a really interesting read around the theory of happiness backed up by some great research findings and tips for making a change.