Hormones and emotions: a complicated, but very real and measurable relationship. Sometimes, when we struggle or experience hardship, it is not merely because of our choices. More often than not, it is about our brain chemistry. The science of the human mind says that our brain is primarily wired for our survival, but interestingly enough, the hormones that evolved to ensure our survival and to sharpen our instincts, are also the hormones that determine our happiness levels. When it comes to hormones and emotions, there are four highly relevant hormones: dopamine, oxytocin, serotonin and endorphin. I remember them easily when I take the first letter of their names and create…