According to the search results, there are a few things that can make us happy when reading answers:

• Keeping active: Happiness is a positive by-product of keeping active. But not just being busy, we need to be doing things that raise self-esteem and bring us satisfaction.

• Self-esteem: Doing things that raise our self-esteem can bring us happiness.

• Satisfaction: Doing things that bring us satisfaction can also make us happy.

• Genes: According to one source, happiness is down to genes.

• Wealth: While many people believe that money makes us happy, there is no clear relationship between wealth and happiness. Once out of poverty, increases in wealth do not necessarily lead to increases in happiness.

In summary, keeping active, doing things that raise our self-esteem and bring us satisfaction, and not necessarily wealth, can make us happy when reading answers.