I'm not voting, since I obviously have no children yet. However, my brother and I are just over two years apart. I'm pretty sure we got along as little kids, but once we grew up a bit, we really, really disliked eachother. I mean, it was not pretty. We were NOT close all through high school and college. It wasn't until about 5 or 6 years ago that we got close again. Still not close as in we call each other every week, but we get along when I'm home.
Honestly, I think every situation is going to be different, and every child is different. I don't think you can plan for how well your kids are going to get along. If I were able to pop kids out easily, I would do most of my planning around how it would work best for me and my DH, as far as time away from work, money, etc. I just don't think you can conjure up a happy sibling relationship in your head and it magically happens because you have two kids close together.
Betsy is right though, at this point, I'll take any kid at any time!
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