Research proves that helping others makes us happier. But in her groundbreaking work on pleasure and generosity , social psychologist Elizabeth Dunn discovered that there is a catch: it matters how we help. If we create one key shift in the way we help others — Discover how we could make a greater impact — and boost our happiness along the way. “Let us stop thinking about committing as just this ethical obligation and begin thinking of it as a source of enjoyment,” Dunn says.