You miss the happiness and trust that once was Jennifer. It's not wrong nor sick at all, because as humans we always look for what was once good and right when we're in difficult times or pain.
What he did years ago was wrong and a terrible betrayal of many things you held close to your heart. What he's done now made you remember all the fear, anger and sadness. You did the right thing in your response to him.
Don't feel alone either. You're better and stronger inside than you realise.