If you change the way you look at things, the things you look at change.
There's nothing wrong with anger provided you use it constructively.
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.
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.
You cannot be lonely if you like the person you're alone with.