Self-harmful habits, addictions, and coping mechanisms actually cause and/or increase anxiety, depression, and other unpleasant feelings. And on long-term, these behaviors can cause significant health problems.
The lack of discussions around the politics of social interactions between multiple forces and the mentally ill person at the intersection of these forces needs to be broken, because existence cannot be free of politics, and any non-conforming act or condition will be met with the weapon of shame.
Mood swings, depression, anxiety, all of these affect you in an invisible way. I am yet to accept myself this way, to be comfortable with being a psychologically ill patient requiring treatment. But yes, I am consciously trying.