It definitely would, but then I reject part of your premise; I would never date anyone I wouldn't consider long-term plans with and certainly never anyone I could already tell isn't the "one". So under that premise, I don't think it would be too much of a problem. That said, as much as I don't particularly feel like caring for children now, older me would almost certainly not have that reluctance. Same as for most of the voters here, I believe; Late-teenage to early-twenty year old males are not usually all that enthusiastic about kids. and that is the major demographic here. That will change for a lot of people as they get older, though.