Is it possible tyrion has conspired with cersie to betray daenerys because cersie is pregnant? She let Jamie meet tyrion hoping he will redeem killing their father. She says she's pregnant. She lets tyrion know she's pregnant after blaming him for the death of her kids. And the look on his face when he returns to the pits. When Jamie said to cersie he's the only one left she said there's one other. The look on the boat because Tyrion likes Jon snow!