I think it's a little simple..it's a great emotional thought..like in that small equation we can feel your lonliness; but maybe if that were the title and you wrote a little. I do like it at that but I'd like more just my suggestion
By reading that one and only line, I could not tell if the audience was supposed to see this as an incorrect math problem, or a cold and lonely one-liner.
~Lindsay "It is not the mountain we conquer but ourselves." ~Edmund Hillary
Well first of all, I wouldn't really call it a poem, but an interesting thought. Second.. it's totally ambiguous.
It can be that two people never stay together, and eventually you're always left by yourself. I can be that two people come together so completely that they become almost a single entity. It can be that you always feel alone, no matter who you're with. This is, obviously, without the explanation of the writer above. c: