TTC #1 in 20s .. Help !!

Lexx • United States Sailor married my Prince Charming 🙌🏾... Cali’s my heart , but move over sistah!! There’s a new love in town 🤩❤️❤️ #MommyOfTwo
My husband and I have been trying for a while now and I don't get it. I'm doing everything the book says , what's next ?? Any tips ?? I would like to get pregnant before my deployment ..