If you have a memory problem or not kinda depends on how easy it would have been to forget it 😅
I’ve forgotten a very important passwords once because I had changed it, typed it maybe three times, then didn’t have to log in for months afterwards. Never did figure out what I had set…
How long ago did you reset it? How often did you type in this new password before you forgot? When did you remember it last?
I’d say that falls into the “reasonable to forget” category, considering you still remember most of it, only typed it twice two days ago and aren’t sleeping well (etc.)
What might help jog your memory is ‘reliving’ the moment you reset it, e.g. re-reading or watching what you were doing before, whatever you were thinking about, listening to or doing at the time and right before it. It might help you to reconstruct the train of thought that led you to choosing said passphrase.