Giving up hope

my husband and I have been ttc for a while now. I have taken 4 pregnancy this month after being almost 2 weeks late 3 out of 4 were negative, 1 with a faint line. I have always had a normal period but after seeing negative test I am honestly think something is wrong with me. I don't feel pregnant like some people claim they do. If anything I feel worried that if I get my hopes up it will be for nothing. We only decided to try earlier because my heart dr said if we want kids we need to try now because in 5 years they aren't sure it be healthy for me... sorry for this rant I have no one else. just really need friends