<human>: I've been carrying a knife on me for over two years. Just a plain, semi-automatic 3-inch knife. Recently, I've noticed reactions will range from scared, to concerned, to shocked, to confused, to offended, all the way to happy and empathetic. 

I'm a 19-year old woman who lives in a major metropolitan city and feel the  need to have something that could potentially help me should anything dire happen. Also, it is incredibly useful to have. I find myself using it often for various tasks that otherwise would be more challenging, or let's just say it, less fun to do without one.

Give me a shortened version of the text
<bot>: I'm a 19-year old girl who carries a knife on her at all times. Men and women, please give your opinions or if you carry one as well.