Per many reports, Trump has been (1) guessing the foot size of various White House officials, and (2) ordering the same Florsheim wingtips for them.

That Marco Rubio (and evidently plenty others) feel obliged to wear shoes that don't fit is a great way to understand everything else that's happening.
The mad king is never wrong and must be placated, even if it requires your debasement. Cowards and court jesters, the whole lot.