If you've never spent much time with kids, can you be absolutely certain you'll cope with them being around 24/7? If you have kids then decide it's not the lifestyle you want to lead, it would be unfair on the kid to then give him or her away like you'd give away an unwanted item of furniture or something

For me, I think my anxiety around kids stems back to never having had many friends, most of the kids I knew bullied me and didn't want anything to do with me, with only a few exceptions