You can feel happiness by having money but it is only temporary because happiness comes from the satisfaction you felt at the moment. If you suddenly have money then you will be happy and think of the things that you can buy to be happy but later on when you have this things, you will feel unsatisfied and then look again for the things or people that will make you happy. When you are with the people you like then you can be happy. Only if you can feel satisfaction that you will have happiness and happiness spread is happiness doubled. You can still be happy even if you don't have money if you are satisfied with your situation.