 This is the fastest way to feel better right now. When you're going through something stressful, there are lots of ways you could change your state. You could go eat a chocolate croissant or have a cup of coffee. You could go for a walk around the block or you could go talk to someone. You could lay down and put your head down for a rest or even just go to bed early. But there is something that mystics, Taoists, Buddhists, monks and holy people have been doing for thousands of years, which is breathe. So do what monks have been doing for thousands of years. Just breathe.