The hat size has remained the same during his presidency at the White House, but the weight he took on during the physical inactivity of the Potsdam Conference has stayed with him. Out of this he must feed not only his own family, but a large staff of servants. The Trumans, because they are a smaller family and entertain much less, probably pare this budget considerably. Breakfasts around 7 AM, usually on fruit juice, oatmeal, toast and milk. He's not much of a coffee drinker.
M goes at machine gun pace and sticks carefully to the clock.
He leaves his office at 5 PM if possible and walks briskly home for early dinner. He likes to play the piano for the family, his taste running to light classics and old ballads.