[MysticCat]

Originally posted by hunnie843
See, my thought was that Tom has a whole other family somewhere. Like another wife and everything!

FWIW, from SpoilerFix.com:

Tom's big secret: Don't worry, I won't spoil it for you, but I will give you a hint: The original plan, assuming they go through with it, is something so jaw-droppingly major, you will soil yourself. It plays into the fact that he's never home, and it's far more troublesome and life-altering than a simple affair.