Just not fair :(

I have been TTC for 14 months now since coming off pill. since then I have most probably taken at least one test per month as I get so many symptoms that make me feel pregnant I just feel like it's never gonna happen. all my friends have children I'm nearly 30, I have had tests at hospital but all clear. I was on the pill for a Total of 10 years with a break half way for about a year has his ruined my chances?? Will I ever feel the joy of a kicking baby I just feel so deflated and just want to cry most days. As much as I love being the fun auntie I can't wait to be called mummy :( it's just not fair .