How often we cannot say important words to each other, we leave another person’s life quietly and silently. We think that with this behavior we will cause him less pain, but everything is accurate, but on the contrary. Time flies without a trace while we gather our thoughts to confess our feelings. Sometimes it is important to take a friend by the hands, hug him tightly and quietly whisper in his ear: “I love you.” “Vaccine against Malignant Friendship” is the first story born out of love for people and the world. In this story, the author encourages people to have an open dialogue with loved ones and raises the issue of the value of family and friendship.