5. Walk

Grounding and connecting with the nature can really help you rid of your bad mood. 

It is the act of exposing yourself to the ground usually barefoot.

It stimulates energy, improves immune function, and enhances happiness and contentment

Research shows that swimming regularly can have several health benefits:

• Improve your memory, cognitive function, and mood
• Strengthen your immune system
• Mend damage from stress
...

• Lower insulin levels
• Increase insulin sensitivity
• Normalize body composition (% fat, % muscle)
• Normalize blood pressure
• Lower chronic inflammation
• Improve immune function