“Parent's blunt answer to "Why?"”

It burns

With 11-Down and 58-Across, aphorism about the effect of sudden wealth … or a hint to the answers to the starred clues

Culmination

Opposite of 1-Across

Came to be

Jackson who won 11 N.B.A. championships as head coach

*Be brave and proud [Iran]

Framed item

A, to a Frankfurter