Ts are still people. It's one thing to push a religious belief on someone, and at the same time, a T isn't there to sanction our actions. Their job is to push us towards health. Even my T tells me to make wise decisions and will weigh in when I want to something self-destructive.

Could it be that rather than interpreting her as calling you a slut or piece of trash, that perhaps she's concerned that this is going to hurt you in the long run? How will you cope when it eventually comes out? Will you spiral right back into where you were? Perhaps you're not feeling it now, but it seems like there are two paths both leading to the same place and she is trying to encourage you towards the path with fewer lasting consequences.