The agony!

Trying to give my son a sibling but it's so hard! 😩 is it just me or is it harder the second time around when you're actually trying because I wasn't planning my first but I got pregnant after not using a condom once. With my second it's so much harder than I thought! Me and my SO just had a miscarriage in the beginning of March and after 2 years of trying I thought that was it but had a chemical pregnancy. With that being said, got to 5 weeks and everything went wrong. I'm definitely not trying to stress about it. Just want to know, what am I doing wrong? 🤔