See how he ever so smoothly turned everything on you. YOU carried on like a crazy. YOU made the kids aware, and look he's got you defending your reasons for doing so. You know Sweetie, we've all gone somewhat off of the deep end when faced with a 3rd person in our marriage. Isn't that how finding out that we've been lied to, cheated & decieved by the person we've trusted the most would make us react? Anyway, he obviously didn't like being told what to do.
I hate to say this but at 14 your son has already formed his own opinion and conclusion as to what his Dad has done. You couldn't have kept that from him if you tried. It's only now that my kids have told me what they had already concluded about dear old Dad. I feel sad for them, because they kept so much inside in an effort to not feel different in the eyes of their friends but most of all they don't want to hurt us anymore then we already are. You're ex is making a bigger mess than need be. I hate to say this Karen but it's probably going to get worse before it gets better. Keep your lawyer AND your therapist in the loop. Surround yourself with a strong support group.
You are so much nicer than I am. I would be more direct in my responce. Probably something like F-u ya' tool!