Feeling confused....

Ok so my husband and I have been ttc for around 7 months now. We had an early miscarriage a couple of months ago and we were both very upset. He assured me we would make more of an effort and try again but we only had sex twice last month and twice again this month! I just don't understand him. I am in the middle of my fertile week we have had plenty of opportunities to dtd but nothing. I got really upset this morning thinking about everything and I have been crying most of the morning. Not once has he asked me what's wrong. I'm really confused