Well, as for me sometimes I think of something to say to my wife but by the time I wheel myself into the room that she's in I've forgot what I was going to say. Very frustrating.
Another one is that when typing I'll forget how to spell words that are easy to know. Makes me angry and feel dumb.
One last thing. I'm giving my driver/ wife directions and I'll be pointing left and say right. This one drives my wife crazy...
I could go on but I don't want to bore you...
Be safe...