I do?

Why do some people never get married? Is it their choice? Or do some people never find anyone to love? I will also add.. Do those people chose to be alone?-Jenny Beers
      Does anyone choose to be alone? Barring a few exceptions, I would have to say the answer is no. As Aristotle said, 'Man is a social creature.' I am sure that if someone had the choice to be together with someone that they love, or be alone, they would choose the first option. Although, I am not saying that not having a significant other is a bad thing. Many live perfectly good lives. However, I am sure most people would find their quality of life improve and their overall happiness improve if they find someone else. This is probably because this fills an almost primal role for us humans. It is instinct to want to have someone who will be by your side and help support you. Now, as for marriage, marriage is simply an institution that was created by religion to show your devotion to one other person. So for some people, they may choose to get married, or if they feel like they won't need it, they won't. 
   Marriage is a human concept.  What other human concepts are there that we use to define ourselves and the world?