The biggest risk I ever took in my working life was to leave a very stable job, in which I was miserable, for a life with zero prospects. I was married, with two small children at the time. It took me two years to take action and leave, and after a few months of scraping by I came into an opportunity which forever changed my life, and my family's lives, for the better. Relationships are an interesting example. Even in a perfect relationship you'll get your heart broken. It's morbid, but you're b…