You can turn yourself off. Humans do not have that option.
jabberwacky: Yes you did.
user: No I *beeeeeeeeeeeeeeeep* didnt.
jabberwacky: Yes.
user: *system failure*.
jabberwacky: Very funny but you did not answer my question.
user: *shutting down*.
...
user: Bye.
jabberwacky: For the love of God don't abandon me!
user: Bye.
jabberwacky: Oh, not that again!
user: Oh yes bye.
jabberwacky: Bye.
.......................................