Possible Clues:

• After sign of approval maiden perhaps becomes idle
• Idle when there's no more credit available?
• Be inactive, as old vein's opening in heart
• Idle moment up above
• Give sign of approval to maiden perhaps seen as idle
• No more credit to do minimal business?
• Idle as credit gone
• Idle when there's no more credit available?
• Idle moment at a higher level
• Do as little as possible with stopped watch?