A Sickener is a morale-crushing blow that lands when you think you’ve already won, which is your most vulnerable moment.

Soldiers know the last few hundred metres before safety are the most dangerous, as relief breeds complacency and enemies wait to strike.

The same applies to life, business, and relationships: success doesn’t make you invulnerable; it often makes you more exposed, because believing you’ve won lowers your guard exactly when it matters most.