Dream about brother laughing is a portent for your need for patience. You need everything to be in place. You need to take control of your life. It is a sign for a patriarchy. You are trying to establish your identity and sense of self.
Brother laughing dream is a clue for release of some pent up or repressed feelings. You are experiencing much stress in some situation. You need to get out there and be more active. You need to exercise more. It denotes social conformity and mass action. You are on the defensive.
If you dreamt about brother laughing:
The opportunity to increase your income could spur you to channel more energy and inspiration into career and business matters. Some vivid, intense dreams might reveal a lot about you and your motivations, which could increase your self-awareness and make everything easier for you. The drive to succeed in material and spiritual matters is likely to play a powerful role in everything you do today. Onward and upward!