Stop and take a breath!
Right now your hormones are going to be so fricking crazy, anything right now is going to feel 10 times more out of control.
How far along are you? How long has your boyfriend known?
Give him some time to really soak it in, right now he's going through the various stages... excitement, anxiety, etc. Eventually he'll come around to acceptance and be much more attentive. My MIL gave me a good piece of advice, she said that for men pregnancies aren't real until they see that baby in the delivery room. And that was true. When I was in labour he was so excited, and then when she finally arrived he actually looked at cut the cord! And this is the guy that faints at the sight of blood haha. So right now your boyfriend is just having a freak out.
I do suggest that you try and talk to him about how you are feeling... even if you have to write him a letter. Then at least he'll know what page you are on, so to speak.
Do you have any close friends to talk to, or family? If not then I recommend talking to your doctor about seeing a counselor. Being pregnant is a very stressful but wonderful experience, so its important to take care of yourself.
Oh and Congratulations! :)