Feeling depressed

Feeling depressed and upset. Been trying for almost two years to get pregnant. Had a doctor tell me that I was and then I wasn't. It has been a roller coaster. Saw a fertility doctor and everything was fine. But I just found out that my husbands cousin is pregnant and she is two years older than me. I have so many family and friends that are pregnant. And I am just sitting here thinking I would love to be pregnant with my last child. Hopefully soon. 😕