“I was looking at the seat where the guy is sitting and I thought MAYBE I could bare it but I think I would still have a panic attack feeling so cramped. And then I started thinking about the middle seat — you’re trapped between two people with no room to slide out, and all you have in front of you is essentially a wall that is curving towards your head making you feel more claustrophobic,” said Reddit user u/Regis_.
Source: https://www.buzzfeed.com/claudiasantos/reactions-double-decker-airplane-seat