Lengthy cold winters, especially in the mountains where it is usually possible to ski well into April.
"When Hannah didn't ski well at the beginning, it kind of filtered down to everyone else as the day went on."
My coaches always told me I couldn't ski well on soft snow.
"If he doesn't ski well in every race this week, he won't win the overall."
"I can't ski well in the morning," he said.
Of course, there's another way to stay warm on cold days - ski well, and make it a genuine aerobic experience.
Though all of them skied well on top, none could match Lindh's finish.
In aerials, unlike moguls, the ability to ski well is not even necessary.
People ask me if it is hard to ski well during the season after a big Olympic year.
"I didn't want to ski well and finish fifth," she said.