Unravel the Mystery: Can’t Solve the ‘… Is There a Reason, Though?’ Crossword Clue?

Unravel the Mystery: Can’t Solve the ‘… Is There a Reason, Though?’ Crossword Clue? - BUTWHY
"… is there a reason, though?"

Enquiry phrase
Questioning phrase
Expression of curiosity
Seeking clarification
Puzzlement exclamation
Request for explanation
Wondering phrase
Asking for a reason
Probe for justification
Query about the rationale

BUTWHY