Originally Posted by
DragonSoul
....I see that people are only getting fatter and fatter, while seats are getting smaller and smaller, and there's no room to increase aisle width. ..
The width (diameter) of
B737, and its engineering predecessors B707 - B727, now and when it as first in service ~1968 has not changed (148 inches). A320 are a bigger diameter
Still has seats 3-3 now as then. Width was the OP's main problem
The seat pitch and seat thickness has reduced