Crossword puzzles

Including...
55-Across: Up and down state?
14-Down: Auntie of pretzel fame
40-Down: Men's name that doubles as a popular Excel function
48-Down: Cubes, or to cube

Including...
28-Down: Reaching one's
nadir
29-Down: Morning plans for a
busy commuter or dedicated weightlifter
30-Down: Relapse's partner in disease diagnoses
33-Down: Army officer with
eponymous poultry
dish

Including...
36-Across: BTS and the U.S. Government each have one
39-Across: They're innocent, or not so innocent
41-Down: One half of a pastry portmanteau
62-Down: Voluminous, as
spinach, or intense, as
emotions