Advice on having a third

So me and my husband have two young girls. Since my second was born (5 months ago) I’ve had baby fever. I always pictured myself with 3 babies, but my husband is totally happy with just two. He knows I want three and isn’t exactly on board yet. My oldest daughter was just diagnosed with SPD. And now it’s got me questioning if I should stop at two ? so that I can make sure my girls are getting enough attention . Or do I have a third because I could potentially have regret later in life? I don’t want to wait, I want to have my last (if I’m going to have one) or be done completely. I feel torn between them, but I always feel like I would want one more. Any advice ladies?