Funny Blonde Joke

Blonde: Hey, what does IDK,TTYL,ILY mean?
BF: I don't know, talk to you later, I love you
Blonde: OK
Blonde: Just for the record, what does STFU mean?
BF: Shut the fu*k up
Blonde: THAT IS SO RUDE! WE ARE BREAKING UP.
BF: *facepalm*