Femara ( letrozole) and crying

Today is CD 8 for me And I'm just sad everyday because I don't want to get my hopes up of this TTC and it want work. My RE prescribe me letrozole for CD 5-9 and I'm just so anxious at same time. I don't know if it's my personal feelings or the medication but every time I Watch something on Tv I cry or better yet if I see any pregnant woman I just Cry!!! Omg I'm just all over the place