Exercise regularly
Do high-intensity interval training
Go for a brisk walk
Run or jog
Dance
Laugh
Listen to music you enjoy
Spend time with friends
Hug someone you trust
Get a massage
Eat spicy foods
Eat dark chocolate
Try meditation
Practice deep breathing
Get enough sleep
Spend time in sunlight
Set and achieve small goals
Try cold exposure
Have sex
Do creative activities
Volunteer or help others