This work is about how black stripes always alternate with white. About how a child learns his mind, for the first time experiences one of the most terrible events of his life – the death of his mother, about how he first feels one of the most beautiful and bright feelings – his first love, about how he feels affection, grief. In the first part, we begin our acquaintance with the family of Nicholas, as well as himself. Here we will see all the joyful and sad events of his childhood, get acquainted with his brothers, parents, grandmother. We will also be able to observe how Nikolai will overcome grievances, tears. We will become his faithful and invisible friend.