1) Go out for some exercise (45min of moderate walking)
2) Get some sunlight
3) Check your Vitamin D levels
4) Drink about 2 liters of water
5) Eat healthily
6) After all this, start thinking about your employability again
Never forget that when one opportunity closes, others open up. The following metaphor might seem like quackery, but "instead of focusing on a sick tree, look at the entire forest around it"