It is my belief that parenting is kind of like some antidepressants. The idea of them, especially when advertised on TV, is great: I'm into the promise of less sulking, more action, and a relatively positive attitude. Functioning is something everyone wants to do. The happy-go-lucky advert with its upbeat music is alluring. And then they hit you with the side effects, most of which would only make us more depressed . There's weight gain, loss of sex drive, diarrhea or constipation (sometimes bo…