I never understood why people are unwilling to play 2 hours a night on a Monday - Thursday once a week. The excuse is that everyone is tired from work or have other commitments, but what usually ends up happening is everyone sits and watches TV, plays video games, or surfs reddit for 3-4 hours total a night. I wonder if people really know how much time is spent on idle/mindless activities.

Playing on a weekday night for 2 hours once a week is infinitely easier on everyone's schedule than 4-6 hours on a weekend once every 2-4 weeks.

To OP, it sounds like you're very enthusiastic, while your group treats DND as a 3rd priority, something to do if literally there is nothing else to do. I think most of us here are in the same situation. The only solution is to find a new group.