[diordiderot]

They should tremble for the ability to walk up a set of stairs, or go shopping without a scooter, or eat carbs without an injection etc

[giardini]

But they do tremble! Even the stairs tremble in fear and anticipationk(of structural failure)! Indeed I am "trembled", being on the parallel staircase in an adjacent apartment on an adjoining wall. I pause as the elephants pass.

Have a friend, non-obese and diabetic, who has learned precisely how much insulin to shoot up after various and sundry of his candy bars and caffeinated-sweet drinks. Impressive in a way.