A. Serotonin: Typically connected with mood regulation and emotions of perfectly-becoming, serotonin plays a crucial part in modulating feelings like joy and contentment. Swift Acquire: This can be Piaget at its very best. As I wrote in our GPHG preview, this felt like the obvious standout of the group – https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/