I felt the same. We've traveled on ABD with just the two of us, sometimes with my mom included and sometimes with our friends.
I also had a hard time with how much we spend per person on average per trip that included an overnight stay that we've taken in the last 3 years. Of course we were over the max choice of 36. We do multiple trips every year. There are at least 10 - 20 weekend trips to WDW per year, a few long weekend getaways domestically or internationally, a
Disney cruise or two and an ABD. A weekend getaway can easily cost us as little as gas and food for WDW trips since we have APs. Even with long weekend getaways internationally, I fly on points and miles and stay in hotels using points so that can be very little out of pocket per person. Meanwhile, the China ABD last year was significantly more, plus we added a post stay to Japan. So, depending on the trip it could be $200 per person or $12,000 per person.