a practice of patience

I have to say that I'm not a kind of person who has such patience to handle things.
Usually, I deal with my body, specially pain, impatiently, even deal with others, particularly close family or friend, no patience at all when I lack of energy. Don't know why, sometimes I just couldn't control my temper well. Too bad, isn't it? It makes me fell bad of myself and regretful for hurting others feeling afterward as well.
Haven't done such time consuming work for long. This is a practice of line drawing.Copy from a picture I took of myself. Color ink pen+ water+ photoshop effect on A4 size paper, completed in a couple of days. It certainly calm me down a bit.