Everyday doing and using simple things or going to a simple place will help you find and keep happiness. No matter how you feel physically or emotionally, do something everyday to make yourself and others happy. This creates positive energy that will surround you with strength and an environment of love. It will also help you make a good memory out of a hard situation.
One of my simple things is to light a candle throughout the year, with every changing season or holiday. Buy a candle for your home and pick a color or scent that goes with that time of year. As they burn, enjoy the light it gives you. When you shop for your candles and use them, you will find yourself in a peaceful mindset and it will make you happy.