AF DUE 6-8oct

Nessa
Hey ladies. This will be our first month trying. I was on birth control and got off in June. Then my period went kind of out of wack. Started taking fem rebalance and everything he back to normal now. My AF is due around the 6-8 oct. so I'm on my fertile window. 
How do you ladies do it? I'm really anxious and not in a good way. It's like I'm scared to get a BFN. Hubby and I never really discuss getting pregnant it's just something we both know we're not avoiding. Last night I asked him if I should lose some weight. Lol I'm kind of a fitness junkie. He said no because soon I'll have to gain weight for our baby and he rubbed my stomach. Although it was a beautiful gesture. It just made me nervous and sad. What if I don't get pregnant. I don't know. I don't want to stress myself. But how do ya do this every month?