I am not in a position to generalize but my worst(and only poor) experience was with an older foreign couple, likely in their 70s. I am usually very hands off w

I am not in a position to generalize but my worst(and only poor) experience was with an older foreign couple, likely in their 70s. I am usually very hands off with my guests but in this case, I showed them how to use the mirowave to make tea, how to operate the washer/dryer among other things. They acted annoyed through much of the trip but ultimately, I continued helping them because I figured a) I don't really know what it is like to be in their shoes b) these could very well be my parents or heck me, some day. After the trip, I wasn't expecting a glowing review. But when I got a super negative review, I was pretty bummed.