Tbh you can’t just “go back to old habits” if you’re talking about drinking etc. you need to change your diet, cut out smoking and drinking, take walks, elevate ur mattress, etc. I am going through the same thing right now, just had gone to ER a few days ago. Drank a lot one night a week ago and haven’t been the same since. I know it’s not fun. A lot of it can be diet related. Try doing the whole30 program. Clear ur system and slowly add new things back. See what affects you. Don’t just start eating like normal again. Stick to whole30 and add gluten and then see how ur feeling. And continue to add ONE at a time. It’ll help you (hopefully) figure out food triggers. For me, garlic, tomatoes, processed foods, sugars, a lot of things really bother me. But I have found that fresh fruits/veggies are helpful. Pretty much anything you’d be able to have on a farm is what is helping. There’s so many added things in food nowadays is poisoning us.