I'm healthy, have enough food, water and money to live, I have senses to feel this world and several friends. While my life is not the most "exiting" one around, I can still be happy with happy things happening now and then.
Also, I live in a democratic state, can do what ever I want as long as it's not illegal, can read and write, and overall have many things better than some do, which is something worth being happy for.
Also, we have lots of forests here. <3
The next person has experienced something sad (like, a loved one leaving you) and drowns his/hers emotions in chocolate. But is allergic to chocolate.
The next person has a life worth living.