2 days to af but I already feel out😩

This is our 3rd cycle on letrozole 7.5, I ovulated every time but they upped the dosage to get me to ovulate earlier. This cycle there were two nice follicles at CD 13 and on CD 15 they confirmed my surge and we bd’d twice a day for 3 days plus a day before we knew I was surging. I had light cramping a week after o for 2 days and nothing since then except I’ve slept 11 hours the past two nights and am still crazy tired and some heart burn😩 I’ve never felt so out and sad though. Every morning I just want to cry, everything’s working now,so why can’t it happen? This is cycle 19 for us and I want to give up,but I can’t imagine just sitting down and thinking “we can’t do it” I literally feel like trash, how can I not do what other women do with such ease? I don’t even know who to talk to about it besides glow or my s/o, since a lot of my friends already have kids, or are still partying every week and wouldn’t stop for nothing. I just feel lost, we had a baby March 2017, she was born early but she was perfect,everything was growing nicely until I got sick. Since then it’s been all negatives and it’s frustrating me. 😭 sorry for the big out pour of emotions but I don’t know what else to do but cry.