I've been waiting for Deb to find out for years, but this was a crappy way to do it. In a lame season with a lame villain, followed by a bulltrout revelation that she is romantically in love with her brother.

It almost seems like a waste. The kill room with Lumen would have been a much better reveal.

And how the hell did Dexter manage to drag Travis' body all the way down the building and to his car? In broad daylight? On a day when the building staff must have been on alert for suspicious behavior. WTF???

I was hoping when they introduced the therapist that the therapist would help Deb see patterns in Dexter's behavior that would help her slowly realize that something is very off with her brother, and then lead to the reveal. Deb has been shown to have great instincts, except when it comes to really seeing Dexter for what he is. The therapy could have been a launching pad for her putting the pieces together, culminating in the reveal. They went a completely different and nonsensical approach. I don't think I EVER noticed anything in Deb's character except her extreme neediness this season that would suggest she was IN love with Dexter. It's like they just completely pulled that one out of their ass. And it just really annoys me so much that the show seems to be writing it off as being ok, simply because they're not blood related. Incest repulsion has extremely little to do with blood relationship. And it's totally reasonable for Deb to have extremely strong attachments toward her brother without wanting to smurf him.