Everyone gets stressed out sometimes whether about money, work, or life in general. However, there are several things one can do.
If possible take a break from what you're doing at the moment and replace negative thoughts with positive ones. This can be something fun you're going to do later in the day or later in the week. Train your mind to replace negative with positive can be difficult at first as this is a habit. Repetition can be the seed of learning so like any habit, positive or negative, it is created over time.
Get your favorite food. Sometimes something small like this can change your day for the better. I'm not saying eat every time you're stressed but this might get you out of the mood you're in at the time. Plan an outing. Whether it be fishing, bowling, whatever one likes to do, and then stick to it. Make sure you do that event say at the end of the week. It's important to follow through showing that you stuck to what you were going to do as this is a positive thing to concentrate on.
Goodnight and have a good week Steem!