Really disappointed in myself 😪😢

Genell
Since around 11dpo I was getting faint lines which gives me hope that after wanted this for 3 years it's finally happening only to woke up this morning with a very low bbt 36.3 I am so hurt right now and disappointed in myself what am I doing wrong is my body not good enough knowing af is going to show tomorrow is the worst day of my life.. Just gonna stay in bed and cry my eyes out until I can't anymore 😭😭😭