TTC after depo

So my husband and I are trying for our 2nd. I had a Mirena IUD put in when my son was maybe 6 months old and I had it for 5 years. I was going to have another one put in, but that didn't work out (my body went into shock). So I started Depo have been using that for the last 2 years or so. I'm having a hard time not panicking about when I'll get my period again and be ovulating again. Anybody else waiting and how do you keep from going crazy?