Deb: "You picked the one way you can hurt me worse than you could ever understand
" She knew this Price clown for 2 days
I'm hoping the line isn't as melodramatic as it sounds and she means that Dexter chose being fuck buddies with Hannah and betraying Deb's trust yet again and not so much that he led to her "love"'s demise.
And here you are, a black unicorn.
Mythical and mystical since the day that you were born.