@scared2, this will be a hard time for both of you. He may not be able or ready to process what's happening yet. It may take some time. It can be easier to deal with the things that need to be physically done (scheduling appointments, etc.) than to deal with the emotions. It will come, but it takes time.

Here's some additional info:
https://connect.mayoclinic.org/blog/podcasts/newsfeed-post/palliative-care-for-people-with-cancer-designed-to-fit-the-needs-of-each-patient/