this video talks about the concept of a relationship 3 concepts : 1. recipocity is to people helping is other. 2. relationship in business an effective way is to give without expecting consumers. for example shop sandwich build relationships with costomers when buying sandwich 5 pieces get 1 piece free. 3. the difference between the mutual reletionship. exchange business relationship together. support each other without expecting someting in return. i agree with all three of these relationships because it makes the giver and the receiver happy and causing friendship.