Sorry for not posting yet.. so much has happened really and I was amazed at that present he got you ! Its not like he had to get you anythning at all, neverlone something "cute" and thoughtful??!
As I said before though.. I still think not much will change until or if, he changes his mind about ow. For me, things are still 'stuck' whilst he remains with Helen and has some twisted loyalty to her. People told me it would be like that, but I didnt believe them (including my wise old mum who said, the man that has an A feels more loyalty to a new partner of 6+ months than their own wife) wrong I know, but thats how it goes!
I really didnt think the FB comments were directed at you, or for your benefit? They have been in an R for some time now and they live together, so I doubt she feels too insecure. Well, I wouldnt be if I were in her shoes... I would just assume, as the house sale and D is proceeding, that he was now my bf. Especially as she is young and you just accept things more at that age, i did then anyway. I accept that as far as Helen is concerned, my ex is 'hers' and she probably has no idea that he contacts me really.. or has feelings for me (no way!! He would be lying to her). I suspect that is true for your ex, she probably knows he has to speak to you about the house, but as he doesnt contact you at weekends and makes lunchtime/5pm appointments he can make it seem more like 'business'.
So I doubt he has been honest with OW and told her about your convo, he's avoidant hey and wasnt honest with you afterall! He probably lies to her about you. Do you hear reports of their R at all? Do you know if theres any disharmony there? Has he ever alluded to you whether its going well, or not, with ow??
My sister (who DBd and got her H back, but they are now D).. said a good point to me.. they will do what they want to do, regardless. So.. if there are feelings there/doubts.. they will come back to you one day anyway. I dont think DBing is what makes them come back in our sitches. Within reason.. of course if you were mean/pyscho/started seeing someone else..there are things we COULD have done which would prevent reconciliation (if they want it), but as long as you remain being yourself and within the realms of reasonableness, if you are soulmates and meant to be, you will be one day.
You sound alot happier at least and you are lucky that contact is increasing and things didnt go the other way, or end up acromonious! I admire the way you have coped and remain so even tempered.