My two cents.......... H and I have been S for almost two years and we agreed to a D last summer.
He recently told me he was seeing someone. It sounds like he has been seeing her for a few months and I think she is becoming his "girlfriend" rather than someone he is just "seeing".
I think he felt the need to tell me before I heard from any one else and I appreciated it very much. I let him know I appreciated his honesty and his direct approach to the sitch!
I think it is easier to accept the ex dating when you have detached and when you know the person they are seeing came around AFTER the M was over and didn't contribute to its demise!
I think you have to look at your R with H and decide how to handle it. I felt H was being more of a "friend" by telling me and that made me feel good about our future R as friends!!
Hope this helps!!
Happiness is like a butterfly: the more you chase it, the more it will elude you, but if you turn your attention to other things, it will come and sit softly on your shoulder.... (thoreau)
