Andy - hello and welcome. I am so sorry for your loss. I never really understood exactly how devastating a miscarriage was till I sadly went thru it myself. What I did learn is that everyone is different. Please give yourself sometime to grieve. We all handle it in our own way and some longer then others. You certainly don't forget.. but time makes it easier to deal with.
With regards to your FS making you wait 2 cycles..well sometimes it depends on the uterus size etc. He wants your body to recover and get back to normal. It has worked hard. As I was over 10 weeks along, I had to wait 3 mths because my uterus was already so expanded.
Take care of yourself and know that we are here whenever you need to talk or vent..