Damon and Stefan in “Unfinished Business”

Damon

She's brilliant.

Stefan

We haven't noticed that Katherine's been inhabiting Elena's body for weeks, and that's all you've got to say?

Damon

Yep.

Stefan

And you realize that it was Katherine who broke up with you, it wasn't Elena?

Damon

Eh-huh.

Stefan

So, your little murder spree with Enzo where you killed Aaron, you nearly killed Jeremy, tried to kill Wes but you got infected with that ripper virus-- that was all you reacting to Katherine.

Damon

I'm trying to figure out why you decided to tell a starving, bloodthirsty, vampire-feeding ripper that his nemesis is still walking around alive and well while I am stuck in this cell and can't do anything about it.

Stefan

I have it under control.

Damon

I'd love to hear this.