Ready to give up

Ok I'm 6dpo and even tho it's early I feel like it didn't work Af is due on the 16th and I have a stong feelin she will be on time if not sooner smh I'm already have my regular symptoms and to top it off my cousin just sent me a bfp I'm happy for her but it's bittersweet I kinda wish it was me.. My SO isn't very supportive bc he's just like if it happens it happens nd keep sayin it will happen when the times right