Am I in the wrong for feeling pain?

A few days ago, my stomach REALLY hurted. I hadn't eaten for two days or so, and havn't gone to the bathroom, for reasons that I don't even remember anymore, but if there was anything to eat, I would, and I think the bathroom was clogged or something. I don't exactly remeber, really. Anyways, from the pain, in the car I started crying. My mom, also in the car, started to say "Pfft. You're CRYING? Wah wah, I could cry too if I wanted to, I have a headache after all!" I got extremely mad at her afterwards because she kept making fun of my pain. At the end of the day SHE almost cried, because she got mad at me for that. Am I in the wrong?