Should I let it go???

I am currently waiting on my period only a day late and pregnancy test was a neg. I have been trying for a long time. Miscarriage at 3 months in march. I have been trying since we got married. Which is 2 1/2 years now. Dr said we both are ok down there after testing. but nothing is happening. THIS WOULD Be Our 1st Together. I am so tired of the monthly disappointments. Even my husband is like let's just stop trying. I have prayed and did all the right things. I am a mom already but he never had the joy of having his own and doing the entire pregnancy and birth of a child. He is a great dad to my kids I feel like I am disappointing him. I want to quit and just let it be. I feel so down when. My period comes it like aunt flow is Lol.😅 at me. I don't know I have been sick and down these last week. What should I do? Baby dust passed my bed I think. ..