Next time someone says that, respond with "wow, so fuck anyone with brain issues that keep them from forming memories the same way you do, right? Guess grandpa Rick doesn't care about my family since his accident, huh."
you having a grandpa Rick, or family to speak of, is irrelevant. The point is, it forces them to confront the fact that there are many reasons someone might forget a thing. They'll probably still be shift about it, but at least when they've unbunched their loads, they might think twice before immediately concluding the other person sucks for forgetting a thing.
Maybe I'm being optimistic with that, but I don't appreciate when people try to assign my motives to me, instead of understanding my own, and get confrontational when that happens.
I went to my boss to ask for some time off and she reminded me that I had already requested the same days off weeks ago, been approved, talked about plans, then forgotten all of it.
“Wow in all my decades on this planet I’ve never heard that before and you saying it just now has completely solved the problem! It’s just a lack of perspective! Wow that was so easy! So I guess you forgot about your wedding anniversary last week because it wasn’t important?”
Seriously though - because people just expect me to forget things I get absolutely dog piled if I forget even the smallest thing, but when other people forget things they also remind me that I forget things all the time and give me the “it’s important so remember” nonsense. It drives me crazy.
I have a buddy with adhd and he's also a musician.
He forgot he had to make a music video.
Not like he really ought to make one to market himself. He is contractually obligated to make a music video and he forgot.... well he forgot until it was just barely possible if everything went smoothly and he ran himself ragged.