Possible Clues:

• There is no need to say any more, as plenty at school get help
• "Case closed"
• "You can stop talking ... I'm sold!"
• All you need to know about love: it's devastating and is huge
• "No need to continue"
• 'No further detail is needed'
• 'No need to elaborate'
• So a hug upset outstanding girl? 15 needed!
• Virtually nothing stopping new ideas? No need for comment
• Hideous nag lost -- no further explanation required