Baby mania!!!

I recently decided now would be a good time to start TTC, but my SO is completely against it, and I'm not sure why. We have a good income, an amazing support system, and are beyond ready. I'm not sure what he's afraid of, but its hard for me to talk to him about it. How did you and your SO handle the subject, and has anyone else had this issue and find a compromise? If so, how?