My husband and our lack of life?..How do i get him to be more open in talking about this?

The best thing you can do is just tell him how you feel. You may have to tell him 100 times or a 1000 times. Hopefully, he'll eventually get the message. If telling him doesn't work, put your feelings in writing and leave for him to find. If he doesn't feel comfortable talking, maybe he'll be more cooperative in writing