If you try to change the environment single-handedly, the chances are you will fail. Instead, change yourself to suit your environment. As you do this, even the environment, which has been unfriendly to you, will mysteriously change and seem congenial and harmonious.
An empty mind is the devil's workshop. All evil actions start in the vacant mind. Keep your mind occupied in something positive, something worthwhile. Actively follow a hobby. Do something that holds your interest. You must decide what you value more: money or peace of mind.