You Huge Gweilo! I am 50 jacket. I’ve been guilted about that forever.
that said, upgrading is always a good thing. I always did it on ferry trips. Usually a few dollars meant special treatment
Wo shi da meiguo ren! I’ve always been barrel chested, but that’s not the worst part. I’m 6 feet, 1 inch - and have a 28” inseam. Meaning the pants I wear would normally fit a guy 5’ 8”, and my jacket is for a guy 6’ 6” tall. I’m all torso.
So my issue with seating, cars, and such really isn’t leg room; in fact, economy seats are fine with me, from a legroom standpoint. Just that my shoulders usually end up ABOVE the top of the seat, and my head sticks way out!
Thankfully my tailor in Shanghai (Yarn Boss) is really good - the clothes hang perfectly, are comfortable to wear all day, exquisitely made, and dirt cheap (I mean, 125 RMB - $16 - for a custom tailored dress shirt in your choice of 400 fabrics, and two dozen collar and cuff styles).