#15. Listen to sad songs.
Happiness is entirely subjective, meaning that what makes one person happy might affect someone else differently. However, listening to sad music seems to be a common activity that's been linked with increased happiness around the globe.
In a study that looked at 772 people on the eastern and western hemispheres, researchers found that listening to sad music generated “beneficial emotional effects such as regulating negative emotion and mood as well as consolation,” the researchers write in their paper.