Don't be afraid to fail. There will be times in you life you will fail. You must pick yourself up and learn from that failure. What can you change and improve upon in the future? The more you fail, the more you will learn and you'll be more prepared for your next steps.
You may currently be wrapped up in your job search but you need to make sure you are getting the proper nutrition. It's not easy to focus on, but it's important to step back from your job search and focus on what you and your body need.
It's important to focus on all aspects of life. Making sure you are getting enough physical activity is important to this goal. It's easy to forget about it when you are focused on finding a new job. Set a daily reminder to get up and move for at least 30 mins a day or several reminders throughout your day to get up and stretch.