Sometimes you need a head check. That could mean either to get your mind right or to literally check your head and hair.
Modern Family Season 5 Episode 15 showed us a little of both kinds of head checks. There were feuds, fear and worst of all...lice.
The second I heard that Lily's class had a lice outbreak, I got itchy. The lice outbreak of Woodglen's Elementary's fourth grade class might've been about 20 years ago but I will NEVER FORGET.