When you’re down in the dumps, the natural thing you want to do is find motivation to recharge and restart. But unlike computers or phones, people don’t work that way…or do they?Think of it this way, people are natural sources of motivation, and we may not even be aware of it. Recall the last time you went to the store, chatted with the happy counter girl, and the helpful guy in the queue, you came out smiling and feeling good,…