Amber, he will feel a lot better after talking things over with a m/w. Also, there is at least one HB story by a dad around here somewhere. If you can, get along to a local HB group and talk to them about how their partners felt or prepared.

TBH it would be a rare man that responds to the HB suggestion with a, "Fantastic! Now, should we encapsulate the placenta or have a lotus birth?" I know of one or two, but the majority are more towards your DH!