I hate how depressed I've been. I don't ever want to do anything, and I'm not good at talking about it so it upsets my…

I hate how depressed I've been. I don't ever want to do anything, and I'm not good at talking about it so it upsets my fiancee because he doesn't know what's wrong with me. I just dunno what to do anymore or how to deal... Last night was a very long emotional night..