Is it a foe or a friend in disguise?
When in doubt, consult our comprehensive guide to distinguishing between foes and friends in disguise.
A foe is like a ninja - it sneaks up on you and stabs you in the back. A friend, on the other hand, is like a benevolent dictator who will stab you in the back only after you've had a few too many drinks.
Still unsure? Try our More Significant Differences page for more examples.