A. Serotonin: Generally related to temper regulation and feelings of nicely-being, serotonin plays a vital role in modulating feelings like joy and contentment. William’s charting, aided with the H4, appropriately predicted landfall at Kingston in just a margin of just one nautical mile- a surprising achievement. We’ve posted several posts https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/