A piece of me

Sometimes when I'm dealing with personal issues, in particular, issues that I am not even too sure of myself, I tend to push those who I'm the most closest to away and just distance myself. I don't know why I do this, but whenever I start feeling down, I have noticed that my whole demeanor and attitude towards others just change. I think it's mainly because I am not an emotional person so when I am emotional, it takes a toll on me. I sometimes cannot pinpoint exactly what is wrong with me so I can't even begin to explain to anyone else what the matter is. Because of this, I don't want anyone else getting so caught up in my feelings and emotions. Its nothing against anyone, I just prefer to handle everything internally and on my own.