Possible Clues:

• Lacking affection or warmth
• Iced and stiff at the bottom
• Frozen, it takes half a day to dig out
• Very cold; formal in behaviour
• Stiff - cold - formal
• At last one is stiff with the cold
• Female comes over stiff and cold
• Father and I dig up stiff
• Passionless, unresponsive
• Cold and stiff, after onset of frost