Friday the 13th

On Friday the 13th I was in school all morning, came home, ate lunch, and then took my son to the dental surgeon to have his wisdom teeth pulled.  I expected his appointment to be about two hours long, but the surgeon said he'd be done in 45 minutes to an hour.  We asked him to call in the prescriptions ahead of time, so that we could pick them up before we picked our son up.  My husband and I