You buy premaid calorically dense foods and grab some pepto tabs while you’re at the store. Now you only have to heat the food, and you can eat less for same cals.
No this isn’t nearly as healthy, but if you’re battling severe depression we’re more concerned with keeping you alive now than worrying about 4 decades from now.
You can stop by any Chinese place and get beef with broccoli and quarts of white rice if you don’t have the will to heat it even. And they deliver. And if you want other things lots of places deliver, plus food delivery service apps, plus more grocery stores are offering delivery or curbside pickup.
You’re going to make it - remember that.