Its only been a few days, but i want to be okay now

Every time I see pictures of ultrasounds or baby bellies, or I see shared posts about a baby growing inside a mother's tummy, I feel like I'm dying a little inside. I have an 8 month old son and I was 7 weeks and 3 days along when I miscarried 3 days ago. We really wanted this baby. I don't think I got as excited about my first (because I was so nervous and embarrassed) and now I know that I want another perfect baby just like him. All I've ever wanted was a good husband and beautiful children. I know I'm young and I know there will be plenty of more time to have children- I hope- but Jesus. When does the crying randomly stop? When do I stop seeing my failure to give life to the child my husband begged for when I look at him? When do I stop trying to find every reason I could've lost the baby I prayed would be healthy? When do I stop looking at my son and thinking, "You're growing so rapidly and you don't need me the same way you used to. I need to have the bond we used to share again." When will I stop thinking about how perfect this baby was going to be?