I don't know that you are going to get a straight answer on that one. Though I can vouch for Charlie being an amazing companion, and selective enough to make herself low volume.
I'm also low volume by choice. I run another unrelated business, volunteer 2 days a week, and train 5 hours a day as a dancer. So this is a fun and meaningful way for me to connect with and create experiences with a small number of friends.
Perhaps if you expressed what aspect of being low volume was important to you, you would receive responses best tailored for what you specifically desire.