Seriously, people: The tough times are a lot harder to handle when you are not eating and sleeping well.
Take care of your body. Get some sleep and examine the situation when you are better rested.
Often we lose perspective, and our ability to creatively problem solve, because we are just too tired or hungry.
Rest well and any rejection or perceived failure will feel a lot easier to deal with.
A little physical activity is another way to release the angst and gain the clarity you need to persist.
- Polly Campbell (modified by Amr Badran)