Any advice for a first timer?

Heather • 👼 7/19 👼 5/20 🌈👶4/21

This is my first month actively TTC after 7 months of TTW. Any tips on making this cycle really count? I know we have to BD during my fertile window. But does position matter, diet etc. also. I ALWAYS have to use lube, will that make it harder for us?