A. Serotonin: Typically connected to temper regulation and inner thoughts of effectively-remaining, serotonin plays a crucial purpose in modulating thoughts like happiness and contentment. Quick Acquire: This is Piaget at its best. As I wrote inside our GPHG preview, this felt similar to the obvious standout from the group – https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/