Hi, AmieW.

In my view there are about three things that alter one's mental health besides inherited mental illness and they are an unfavorable environment, food sensitivities, and financial status. You have three of the four working against you right now.

I would try first to get out of the environment you are in. Secondly, correcting your
diet is the most helpful thing I know of for you since you can't afford medical care, and you financial status is the cause of that.

You really do need to make at least two visits to see a medical doctor. One is for
the purpose of being prescribed an inexpensive antidepressant or a mild tranquillizer
to help the anger dissolve, and the other is to determine if you need to remain on one
for some time until issues resolve.

Once you change your living arrangements, much of the anger might dissipate, but
the anger is something you need to talk about with a specialist when you can afford it. It is a habit you have developed to react to the stress of living conditions, and it is one that is difficult to break without understanding why you always react that way (though it's easy to understand why you would feel that under the circumstances you're in).

Make an effort to save enough to see a doctor, please. That's a very good thing
for your health in the long run.

Take care of yourself first, please.