struggling to stay positive

This is our eighth cycle trying hard to conceive (tracking symptoms, OPKs, preseed, vitamins, herbs, SME). We haven't used any sort of BC for over a year. 35, TTC #1, all my day 3 tests came back normal. I'm just feeling hopeless and broken. I'm the only one of my friends who hasn't had a baby. Having a family is my dream. How do you stay positive? What strategies do you use? I can't help but go to the negative. My brain keeps telling me I'm never going to get my BFP.