The reason why both contents are used is because in those pages you write about how you actually achieve happiness. Not for money but for social and perhaps a little physiological needs. Happiness cannot be purchased with money because people obtain it mainly by recognizing their social needs. Social needs depend on self-esteem, love, friendship and everything that involves interactions with others, while physiological needs concern biological needs. Money might be encouraged to be spent on things that people want, but not need, or both, and some people would regard this as their own “happiness”, however it may not really be