I don't understand

I'm so angry and sad I just don't get it we timed it exzactly right and now I'm spotting I'm suppose to start AF today or tomorrow and now I'm spotting I knew this would happen month after month I get my hopes up just to have them crushed I'm so sick of this why just why don't u get to be a mama I just wanna cry and my husband is just like I'm sorry and that's it like it's breaking my heart and he's just like hum it's ok like no it's not ok he apparently has very fertile sperm ok then why am I not gett g pregnant 😭