Did you know that menstruation affects your feelings? You may feel more irritable, anxious, or sad than usual, or you may have negative thoughts that just won't stop, or you may lose all motivation. The two hormones estrogen and progesterone have a major impact on not only your body but also your mind. Why not learn about menstruation so that you don't blame yourself too much when you feel unstable? Also, why not learn about menstruation so that you can understand people who are in the same situation, rather than thinking that it is something that only happens to other people?