I don't think this is exactly right to be saying that if he loves her then he wouldn't pressure her to have kids,

He's not pressuring her to have kids right away, he just wants to know that someday he'll be able ot have a child of his own, This is an important issue for alot of people

Heck even myself, I'm young, I don't want kids right now, or anytime soon for that matter but someday I would like to have a child. I wouldn't want to commit myself to someone who wouldn't even consider the possibility either

I'm not saying anyone is in the wrong here, but I can't blame the guy for wanting to have kids sometime in the future, although that certainly doesn't mean that she's wrong for not wanting to have kids, but it seems that if the two of you were to get married that he would be the one hurting eventualy,

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You ask me if I've known love and what it's like to sing songs in the rain?
Well I've seen love come, I've seen shot down, I've it die in vain

Maybe someday I'll see you again, and you'll look me in my eyes and call me a friend.