7 days late on my period, pregnancy test says negative. After 3 years of us trying I feel so low :-(

JK

I am 34 this month and me and my husband have been trying for a baby for 3 years. As I am 7 days late on my period and have heartburn and stinging eyes, I really was hoping that this time would be the time but the clear blue test I just did was just one line (no cross). No matter how long I looked at it it didn’t change. I am feeling so depressed and down and feel so sad for my husband too as although he doesn’t break down in tears like me I know from his face that he is so disappointed and sad too. We had fertility tests last year and the results of them for both of us were ok so it is unexplained infertility they said. My friend came over last night to announce her being pregnant, I am really happy for her but finding it more and more difficult to talk about babies with my friends the longer our fertility journey goes on and I wonder if it will ever happen for us.