Possible Clues:

• I had one coy problem with foolish behaviour
• Inroad into country's borders - folly
• Repressing one language on Cyprus is folly
• Imbecility
• I had nothing in frosty surroundings - that's stupidity
• I had foolishly one that could get coy
• I'd start to inveigh against unusually coy stupidity
• Utter folly
• Like a fool, I had ten to start with
• Asininity