Has anyone gotten pregnant when they QUIT trying?

Britani
I was Ttc for several years when my only child was between the ages of 4-7 with no luck... I was using fertility trackers, ovulation tests and lots of other random methods.... During that time I was not with my daughters father.... Christmas of last year we rekindled an old romance and got back together and within 3 months I got pregnant... I was happy but also had other mixed emotions because our relationship still is not fully stable. We have enrolled in premarital counseling and he seems excited. I guess these pregnancy hormones arent helping lol. Our daughter will be nine on March 14th so in my eyes I was at the halfway mark and was okay with not starting over... Im excited but a little overwhelmed as well.