Sometimes it's binge eating as a method to handle emotional pain. I'll also write very sporadically - music, lyrics - to identify the problem. There are a few cathartic processes I've alternated randomly. There's no default. Each emotional experience elicits a different, possibly new response.
I'm on a constant yo-yo of health. I will go a week eating incredibly clean, but then I'll follow that up with a month's worth of binge eating. Then I hit the gym and eat clean, and then I mix it up with core exercises, yoga, Pilates, and sitting on an incline bench while checking my phone.
There are studies that tell us that stress and lack of self-image, lack of self-esteem, severe dieting, binge dieting and binge eating can also be very damaging to a body and bring on various kinds of abnormalities.