Waiting n waiting n waiting... N negative!

I'm losing hope.. It's been a year in trying to conceive n nothing.. My periods are very irregular, sometimes it feels like I have pregnancy symptoms but they're not.. N now I just feel anxious, depressed, n unsure if I can even be a mother someday!... I have a great husband who doesn't mind about us not being able to Conceive.. But i feel like it does matter a lot!

Any advice? Please help...