You were honest with him, and how could being dishonest have really benefited you both? Don't regret your honesty, regardless of his reaction. Every significant other has to deal with their partner's issues in their own way and time. If he can't deal with yours, well, then he doesn't deserve you. But let him be distant so he can sort it out. It's heartbreaking and I'm sorry you're going through this. I know it sucks.