This happened about 10 or 11yrs ago now. I only knew my CFNDN's to say hello to in passing.
One day they chapped on their window as I was walking my dogs and motioned me in. They were due to go on holiday the next day, but their son, who was supposed to be looking after their massive dog and cat, had unexpectedly been sent to work on the other side of the country. They knew I liked animals and so asked me if I could possibly look after their pets for them, otherwise they would need to cancel their much needed and longed for holiday - Yes, they really did lay it on that thick-. They would of course pay me for my trouble.
I am terrible in social situations, getting anxious and shy around people. I find it really difficult to say no, especially when everyone is sitting there staring at me, but I was somewhat reluctant, to say the least. I have M.E/fibro, often using a walking stick to get around, and at the time I had 3 dogs of my own to walk, more than enough. I am however a walkover soft touch and didn't want them to miss their holiday, so agreed.
There was no way I could walk all 4 dogs at once, so I ended up having to take mine out, drop them off at home and then walk CFNDN's dog. Then there was the feeding, cleaning dishes, changing cat litter, and of course I felt guilty that they were stuck in the house themselves, so would sit with them for an hour or so every night (like I said, soft touch). I'd also spend ages out back throwing a ball, he was a collie x German shepard, so had loads of energy.
I was so glad when the 2wks were up and CFNDN's came home. They did thank me, however there was no mention of owing me any money. They didn't even give me a thank you card or bring me back a fucking souvenir mug from their holiday. The way they were talking was as if they had done ME a favour as they knew I would love spending time with their animals. I told them that it had actually been really difficult and I was exhausted, but they just nodded their heads and smiled, while leading me to the door.
After that it went back to smiling and saying hello in passing. They seemed completely oblivious to their cheeky fuckery, but somehow I think they know fine well and were just relying on my obvious social anxiety that I'd never bring it up. 