Not sure where to post but advice and input needed

I found out before Christmas that I am pregnant with my fourth child. This baby was planned and hubby and I were excited. This weekend, we got into a pretty bad argument. He decided he is no longer in love with me. He called me horrible names that I didn't ever think would leave his lips. He preyed on my flaws and made me feel terrible. I finally got him to actually open up and talk to me this evening and he is still unable to let go of something that happened years ago (im talking teen years). A bit of back story for you...we have been together for 14 years (married almost 8) and were basicly middle school sweethearts. Im completely heartbroken and have no idea where to go from here. I have made my fair share of mistakes as has he but I thought we were past this....