"My head hurts so much," she said. "I feel exhausted and battered everywhere. Like I've been in a hurricane.
Jenny smiled. "Sore head, loud noises in the ears, severe diarrhoea?"
"Heavonitis. You're new to this area," Jenny said. "Most newcomers catch it early on."
"I've never heard of Heavonitis. What can I do about it?" Louise asked miserably.
"Just keep your head down. Drink plenty. It goes away eventually," Jenny said. "If it comes back, your immune system is better-equipped to deal with it next time."