Is it normal to have an orgasm when you cut yourself.

So I've thought about cutting myself in the past but never had. I was having a really ruff week, boyfriend problems, work problems, just very stressed out and depressed. I couldn't stop thinking about cutting myself. I went into the kitchen and looked over the knifes, there was only one good option-- but it was still extremely dull. Then I remembered that one of my housemates had a crafting knife, kinda like an X-acto blade in the toolbox out in the garage. Armed with that I went back into the bathroom. Ready for a little bit of pain and hopefully some relief from my inner agony.When I sliced my forearm I had a crazy awesome orgasm. Is it normal to get an orgasm from cutting yourself? This was the first time I cut myself and I was not expecting it at all, it actually kinda frightened my because I did not know it was going to happen.