Should I keep trying or just forget about having more 👶🏽

Me and my hubby have been trying for a third for 2 years. And in that time frame I have got nothing but bfn and af showing up EVERY SINGLE MONTH! This month I had a complete meltdown for the first time ever. I cried so hard in the bathroom alone because I can’t grasp my head around this I track my period constantly use preseed, take temps, opk’s and Have been seen by ob/gyns. And to make matter just a lil bit worst my husband keeps saying that it’s his dream and all he wants is for us to have more babies 🤦‍♀️ (ugh...I can feel myself tearing up as I type this) I just want to scream and cry 😢. This is stressful. I mean there are women out here who get pregnant and through there babies in the trash and all sorts of horrible things basically just undeserving. And we have so much luv to give and I can’t seem to do the one thing that I am genetically supposed to be able to do. I just want to give up and not care anymore but I feel like I would lose my husband if I did. What should I do