Discouraged

First time putting this out there, almost didn’t hit post, but I’m really losing hope. My husband and I have been trying for 3 months now, last month I was late by a day but that same day had brown blood, so I got excited thinking it was implantation, but then ended up getting my period the next day. Same this month, brown then next day my period. I thought I did everything right, we had sex on the day my ovulation kit said I was at my peak. I don’t even know if I should bother this month. I’m only getting older and so is my husband... giving up hope. Can anyone relate? Was my ovulation kit wrong? Is it me.. I don’t know.