eat plenty of fruits and veggies
Open up your curtains and let the sun shine in. Being in a dark room for too long will make you sad. The sun is what gives you life and if you don't bask in it life will slowly leave you.
Take a tablespoon amla juice with 1/8 teaspoon nutmeg powder three times a day.
Drink tea with 1/4 teaspoon powdered cardamom seeds.