> and are financially secure. This is the key point. I can imagine being a farmer is a lot more nerve wracking if e.g. bad whether destroys your year's harvest

> and are financially secure. This is the key point. I can imagine being a farmer is a lot more nerve wracking if e.g. bad whether destroys your year's harvest – for the third time in a row. If you're financially secure, any job is less stressful, regardless whether you're self employed or not.