Not my month

Can feel my period commig so I'm out this month again I swear I don't need to even take test anymore I just know I'm not pregnant. 
I'm Seriously over trying I hate the disappointment. How can you enjoy it when it's constantly on your mind, people say don't worry don't stress just enjoy and have fun, but how can I when its been so long with no luck. It gets to a point when you know it's time to just give up. I can't do it anymore.