Crossword puzzle clue "get a hint of"

Hint (and a hint to this puzzle's theme)

"Mrs. Frisby and the Rats of ___" (classic 1971 children's book based on experiments at the National Insistute of Mental Health, hint hint)

Something your poetry teacher might assign you to write about a particularly inspirational poetry teacher you've had *hint* *hint

"Get lost!," and a hint to the beginnings of the three longest entries

Get a hint of

Get a hint of

How long it takes to get something back (and a hint to this puzzle's theme)

Contented sighs (and a homophonic hint to this puzzle's theme)