<human>: Basically what the title says. We met when I was visiting family across the country and kept in touch online for a year until he moved across the country to be with me. So since we have no previous connection (work, school, friend of friend etc) and I am not close with his friends or family I only know what he chooses to share with me. And he chooses not to tell me about any past relationships and it is starting to get to me.
 

I know he has had at least 1 gf, only because our moms were talking and his mom told mine that he has only allowed her to meet 1 previous gf before (which made it sound like there have been more) 

I don't want to know his "number" necessarily...  I just want to know about his past, not JUST relationships. He has told me a bit about his childhood, but almost nothing about his life during highschool and college. 

I just want to know more about him and I want him to feel comfortable telling me anything. 

I've told him I don't care about how many women he has slept with, I do care about how many serious relationships he has been in. I just do. It IS starting to concern me how much he is against talking about it...

Can you summarize the given text in a few sentences?
<bot>: bf refuses to share his relationship history, it is starting to bother me and I am asking reddit if I should or should not be worried?