penguin
Having read your response I want to say this in the nicest possible way, but I honestly dont know how to sugar coat this.
So......I think you are assuming a lot based on how you want things to be rather than how they are. He is solitary, wouldnt be in a relationship because of his music/bike/loving you....
You dont know any of this. 2 months have passed since you last had contact, anything could have happened in that time and you would be very foolish to try and make a decision based on an unknown.
As it is, you must assume that he doesnt want a relationship with you. Yes he loved you once but then he finished with you. There is no ambiguity there. He may have said and done things when he ended the relationship to soften the blow, but the simple fact is, he ended the relationship because he no longer wanted to be with you. You can miss him and love him and want him but if he wanted to be with you then he would be. He would have broken the NC thing to be with you and he hasnt.
He has done nothing to suggest that he wants to restart your relationship, and although he may not have moved on to another relationship, he will very probably have moved on emotionally from the one he was in with you.
Any decision you make about having children must be made on the assumption that you will be doing it alone. However I must agree with several PP who said that if your anxiety is so bad that you would immediately cut off anyone who is romantically interested in you on the basis that they are not him, you would be wise to seek some counselling before making the life changing decision to have a child.
When you have a child you dont get to be by yourself, for their sake you must go out, socialise, do the dreaded toddler groups (FYI, no mother does it because its fun, we do it because our kids need to socialise), do the school gate/play date palaver. If you are solitary now, then that will end in no small way when you have a child, and if it doesnt then you are doing the wrong thing by that child. Just something to think about.