Possible Clues:

• "Strange as it seems ..."
• How eccentrics behave
• How quirky people behave
• 'Strange as it may seem ...'
• In an unexpected way
• "Contrary to popular belief . . ."
• "You'd never guess, but ..."
• Strangely, curiously
• Appearing like figs in fridges, strange to say?
• Curiously, told a delay regularly turned out to be this