So, the other day in art…(Loud crashing noises) Me:  Are you ok?  Student:  Yes.  Me:  Are you sure?  Student: Yes.  Me:  Do I need to call a doctor….the paramedics…..a priest?  Student:  Noooooo…I am fine.  Me:  O k.  Just checking.  So boys and girls, what did we just learn.  Whole class in unison: Don’t lean back in your chairs!!!!