If you are a married couple, I guess you will do everything at your power to stay happy and hope to be an happy couple, through and through.
But what constitute happiest couple? If might seems subjective but this infographic from Happify has quantify it with some quantitative findings.
In general, following are the key elements that influence on happiness in couple :
1. Money (money is not everything but it is still hugely important)
2. Length of marriage
3. Sex
4. Educational qualification
5. Child
Now, keep reading to find out the complete matrix of happiest couple.