For most people, Roger Federer’s outstanding records and performance on the tennis court is his greatest legacy. But to others, the Swiss maestro’s greatest impact has come from the more than two million children who have benefitted from his charity work.

Are you happy with your life? Do you spend your time doing meaningful things? For more than three years, the Swiss platform MomentX has been asking simple questions about the lives of its members in order to raise awareness where the answers are not a satisfied yes.