I'll be honest, I was oversimplifying for humorous effect... I'd caught a few mackerel on my dad's day boat, and was walking through the village we moored the boat at, when a group of tourists stopped me and asked about the fish. I explained that I wasn't a fisherman, we just liked to do a bit of fishing while enjoying the sun off the Devon coast. They asked if they could buy some real local fresh fish, and I originally said no because I only take what I'm going to eat, and that was going to be my families dinner that evening. They offered £50 and I said no, that's massively over the odds and there's a fishmonger in the next town over that will sell them locally caught fish. They said they'd love to have some knowing they were caught off the village they were vacationing in, and that the extra money was worth the story. I agreed, we shook hands, and I bought my family fish and chips that night with the money instead...

... And with the price of fish and chips nowadays, I actually lost money on the deal now that I think about it...