Pushy older sister.
The commenters are using “him” for the doctor and “her” for the receptionist because it is clear from this comic that this doctor is a male and this receptionist is a female. They are not being sexist; they are commenting on a particular doctor and a particular receptionist in a particular comic strip.
No, she can’t.
Or the library.
Is this kindergarten?
. . . which kind of misses the whole point of pronouns.
Isn’t Delta still in junior high?
Wasn’t it just yesterday he couldn’t read?
I think this is where I started reading “For Better or for Worse” the first time around.
No, Tiffany recognized the fakes because she had some of the real thing.