I just can't anymore

I don't understand anymore we have been trying for 1 year and 1 month now I was so certain I was pregnant this month even my husband was sure I was I had baby pink spotting cramps but not normal period cramps these were different and back pain I was so sure there was no way I wasn't pregnant so sure but bfn I just don't know what to do anymore I'm so hurt so worn down I just feel beaten