The context of the following conversation is Cameron told their girlfriend a story. She was really scared of it.:
Cameron says I just wanted you to know the truth before you see her again.
The friend responds I couldn't believe she would just lie about you like that.
Cameron responds she is very deceptive and she only looks out for herself.
The friend responds I guess it all makes sense to me now why she acted like that.
Cameron responds I'm just glad you believed me.