Please help me ladies 😭

Me and my husband have been trying to have a baby for about 5 + years now, and I fill like I'm failing him so much. Everytime we seem to look / take a pregnancy test it's always negative. Please help me with any tips. . I don't want to loose my marriage because I can't convince. :( My husband is my heart and soul, and we are more than ready to have a baby already ! Thanks girls :)