Struggling

I tried so hard not to get my hopes up this cycle. I told myself, "you're not going to be pregnant" over and over again. But I got the news that femara worked for me and I guess my hope climbed a little bit. I know I'm not out till AF arrives, but I'm spotting like I always do before AF. I've tested and tested and all have been bfn. I am so depressed. I'm struggling with this whole ttc thing. It's so hard. And to top it all of, my niece was born today. It should be a cause for celebration, and it is, but I'm not going to lie. I'm jealous. I wish I could get pregnant as easily as my SIL. Idk, just needed to vent. It's so hard to keep trying when you keep getting crushed.