I personally turn to travel to re-energize the passion. I have terminated a job 2 times to spend time abroad doing something different (learning a language or w

I personally turn to travel to re-energize the passion. I have terminated a job 2 times to spend time abroad doing something different (learning a language or working as a contractor for a startup). While doing so, you meet up new set of folks, interact with new cultures (I was in Thailand and later in Russia). Works wonders!