I have a friend who has 2 adorable boys and they quite clearly love their Mummy very much by the cuddles and kisses they shower on her!!

I don't think all boys are rough and tumble, just as I don't think all girls are girly girls (I've certainly NEVER been a girly girl!). I think it's very much like you said Cailin.....just different chemistry. And every child is so very different to the next, as is the way every parent chooses to raise their child - no two are ever the same!