Lost fans...

What is going on?!!! This is the only show on tv that I have been this interested in for years now!

Who is Ben's spy on the boat? I'm thinking it might be Michael. We haven't seen or heard anything about Michael since Ben let him and Walt go.

And who are the Oceanic 6? We have Jack, Kate, Hurley, Sayid...
I know it showed Ben in the future, but I don't think he counts, because he wasn't on the flight manifest.

And Kate's son...is it THE Aaron? As in, Clair's son? But why would she lie and say he is hers? What happened to Clair?

Why is Sayid killing people for Ben? Ben said it was to protect his friends. Did he mean his friends, as in the survivors who made it home? Or his friends that are still on the island?

I have so many questions!!! Share your theories with me, please!