The author invites you on a journey through our inner world and invites you to get to know your own feelings. If we can accept them as they are, instead of suppressing or judging, we will feel better. Previously, it was believed that a unique feature of a person was a highly developed intellect. However, with the advent of artificial intelligence, it turned out that our ability to feel is truly unique. Joy, rage, shame, compassion - this whole range of experiences makes us human. And in order to understand what motivates us at any given moment, we need to get acquainted with our feelings: how events influence emotions, and those affect bodily sensations, thoughts and actions. With this book, which contains the results of new research into the functioning of the human brain, you learn to take care of your own and other people's feelings, you will be able to better understand yourself and others and experience more pleasure from life.