I have so much empathy for you SF b/c this is exactly how my H behaves towards our Ds. D17 is particularly hurt by this b/c before he left she and H were extremely close. She actually feels replaced by OW(when in fact it is me who should feel this way - and I do).
Me 43 XH 45 M 2.7.88 Divorce 7.10.09 Kids D20,S17 & D15