You have to Take care of yourself! You have to eat.You have to take care of yourself and eat properly.
You have to make time to relax your mind and nourish your body, and you'll perform better and tire less.

On the other hand, take the time you need to think carefully about all the topics you're talking about, as they're quite serious. Don't rush it, gather as much information as possible and analyze it thoroughly. If possible, seek professional help.