Dark Thoughts

I wish I could find something light to think about but my thoughts are all tainted by darkness. Everywhere I look I see couples, sitting facing a happy couple on the train is one of the things I most dread. The unattainable right in front of my face. In the past I have been told that I just need to get laid - I don't think this is the answer though - I can live with virginity - all I want is someone that can be there to smile and hold me tight when I am down - someone that I can be there for to do the same. But how can I find someone - certainly not by thinking these black thoughts - which brings me full circle. I wish I could find something light to think about...