Haha it's fine. That's great you got accepted to another program at Penn. I think things will work out for both of us.
I'll be joining the University of Michigan Program in Survey Methodology and Data Science. It's pretty different from MBDS I guess. Luckily they offered to cover tuition and a job at the institute for social research at Michigan. I'm more interested in social science research than behavioral econ so this just made more sense for me. I liked the idea of working at the center for social norms and behavioral dynamics at Penn but this should be a pretty similar thing in that regard.