Crossword puzzle clue "hint offering columnist"

Hint-offering columnist

Advice columnist whose twin sister Abigail was also an advice columnist

Hint-giving columnist

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

GNC offering, and a chemical hint to three long puzzle answers

"Dear" columnist