Every job is different. I don't think that I've ever had that wonderful feeling when you've finished a job or where you feel like you've mastered it or sort of nailed it... You can never be satisfied. If you're satisfied, it's time to retire. ↗
When you carry out acts of kindness you get a wonderful feeling inside. It is as though something inside your body responds and says, yes, this is how I ought to feel. ↗