Is my boyfriend trying to force his opinions about kids on me?

So, my boyfriend and I are about to finish college and have been dating for 2 years. We're both sure we want to settle down and get married. However, where we differ is wanting kids. He's sure he wants them, but I'm not. I've told this to him many times, but he tells me, "You'll be sure don't worry" "U don't have to be scared." He even discusses stuff related to babies and pregnancy with me. I think if I'm not sure in the future as well, he'll leave me if I don't willingly give him kids. Is he trying to force his wishes on me? Or I'm just overthinking?

Is my boyfriend trying to force his opinions about kids on me?
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