Ugh help me ladies

❤️ • Engaged. 18.
Been trying for 8 months now. I just am beginning to give up. I don't even want kids anymore because I keep getting my hopes up and Everytime AF arrives I get so depressed. How do I get over this feeling? My fiancé and I are just gonna stop trying and let it happen. But I can't get my mind off of it. help.