the caveat to Serotonin is ya' know, that theres no endless glow flow -- your brain needs to rest in the dark it seems to recuperate in the sleep of vivid dreams -- often the brightest stars shine half as long, because of the stoopid work ethic, its their swan song -- so many go to the drug crutch or worse 'n end up dead, of course -- meditation can also recuperate the mind, close the eyes 'n dive deep, regenerates these brain chemistries I find or just a good nights sleep