Disclaimer: I’m sure Tolkien laughed as much as anybody – even if Kortirion does take his creations in vain!
Aragorn crawled from the icy water, shivering and muttering every Sindarin profanity he’d ever heard his foster-brothers utter. Teeth chattering, he hauled out the sunken birch-bark canoe, bailing river-water from it to retrieve his sodden pack – the small, iron cooking-stove that had caused the problem, he kicked contemptuously back into the sluggish water.
From behind him he heard the wizard’s chuckle as a warm cloak was placed over his shoulders. While grateful for that, he groaned inwardly at the ‘I told you so’ he knew was coming.
“Well”, said Gandalf, “I said you couldn’t have your kayak and heat it!”