It is impossible for you to be angry and laugh at the same time. Anger and laughter are mutually exclusive and you have the power to choose either.
Simply put, you believer that things or people make you unhappy, but this is not accurate. You make yourself unhappy.
The components of anxiety, stress, fear, and anger do not exist independently of you in the world. They simply do not exist in the physical world, even though we talk about them as if they do.
I grew up in an era of pretty severe poverty. My parents weathered the Great Depression, and money was always a very big concern. I was weaned on a shortage mentality and placed in foster homes largely because there simply wasn't enough money to take care of the most basic of needs.