If you dreamed that your brother went crazy: You can start a new diet or sports or reduce your harmful habits. To see that your brother is crazy in a dream can be interpreted as a harbinger of the problems and daily troubles that the dreamer has with his brother. It means that the person is unable to make a living with his sibling and has arguments over even small things. It is also a symbol of the dreamer's anger and resentment towards his brother. It is interpreted that it is beneficial for the person to be a little more tolerant towards his sibling.