Right, but I disagree with Tennant. The shagging was definitely going on.

I have re-watch the doomsday and had to admit the line 'you are not ...'(about the baby ) is a little strange consider if they are not doing it ...

Right, that's my point. The fact that SO many people watching it thought "they can't possibly be implying what I think they're implying because ..." alongside Rusty's evil ways totally is the clincher.

They were doing it. Totally.