Comment by DoreenMichele

I'm sure you will take this as argumentative, which isn't really my intent, but, other than the hot bath part, I did all that while homeless. If you get access to any food at all, you can work on eating better by educating yourself about nutrition.

I'm author of the San Diego Homeless Survival Guide and Pocket Puter:

https://sandiegohomelesssurvivalguide.blogspot.com/

https://www.pocketputer.com/

Best of luck.