Well, for a flame to exist, you have to have fuel.  You know those old pictures you have tucked away… the love letters you’ve saved… the texts you exchange… the seemingly harmless flirtations on Facebook.  These are the fuel that—given a spark—might just become a raging inferno.  So, the first step to extinguish an old flame is to get rid of the fuel source.  Throw out the reminders, get rid of the pictures of romantic embraces and snuff out the old embers.  Here’s more on how to extinguish an old flame.