Down but what can I do

Alexis • Mom of a little girl ❤️ Aubree Elizabeth Dellinger was born 9/1/28
Just can't seem to get pregnant! It's upsetting and I'm about ready to quite. I know we have only been trying for 3 months and a healthy couple takes a year but everyone around me is getting pregnant. It's bringing me down. I have sex every other day on my fertile week. What can I do different?