Things happen and sometimes they affect your mood. Perhaps your boss isn’t happy with the returns on a work project. Or maybe a driver cut you off unexpectedly in traffic. Or perhaps you didn’t have a great night of sleep.

That stuff happens—and you can’t control it. But there are other internal processes in your body that happen that may also affect how good you feel.

Take estrogen and progesterone: They’re hormones that are one of the primary controllers of bodily functions such as reproduction, growth, and metabolism. And very often many women blame those same hormones for feeling emotionally upset.

What might be happening with many women who feel stressed out emotionally when hormone levels swing is that they’re more in tune with those fluctuations. But if they’re more in tune, they may be able to better identify and cope with what’s happening.

Ready to learn more about your hormones? Read on.