Who Is Kyle XY?

Have you been watching Kyle XY? A new drama series currently showing on TV3.Kyle looks like a teenager but behaves like a newborn baby.He is not sure what's around him.And he's not sure on how to do things.Who is he? Where did he come from? Is he really an alien? The mysterious part is what keeps the series going.If you want to know,you have to watch the show :-)