1- Try not to think about problems and rough circumstances again and again; instead focus on the solution. Think what needs to be done to fix the issues.
2- Change your environment. Take a break from your routine life and visit some relative or explore some new city/country.
3- Stay away from negative people. Remember, if someone is negative, he/she is spreading negative germs. Keep yourself germ-free.
4- Read news paper or a good book on daily basis.
5- Go to market and buy yourself something you like. Feel good about it.
6- Surround yourself among happy people. Spend quality time with joyful and colorful friends.
7- Adopt some good hobby and spend time on it. (gardening, blogging, book reading)
8- Visit Orphan house and spend time with children. Help them financially if possible. Give gifts. This act gives real inner happiness.
9- Think about the positive events of your life. About your childhood, education, fun trip, a friend's wedding etc.
10- Go to religious place and spend time in prayers to get peace of mind