Why I don't mess with teenagers

Yesterday a teenage girl across the street was apparently angry with her boyfriend.

"Fuck this...fuck that...fuck you!" she yelled into her cell phone from her front yard. Minutes later her boyfriend squealed around the corner in his car. After being yelled at for 20 minutes, he sped off with the stereo blasting.

I'm sure everyone calmed down and all is well again. Or is it...

Something was different about her house this morning; can't quite put my finger on it.