Dear chronic optimist, you know who you are: always expecting the best, always seeing the silver lining, always believing the next sunrise will be the one where everything finally goes right.

But sometimes, just sometimes, that's just not going to cut it. Like, let's face it, sometimes the world really is ending, and you're just going to need to know when to stop.

Here are a few signs you might need to take a step back from your perpetual positivity:

1. You've started using the phrase "on the bright side" as a euphemism for "I'm just not going to bother trying anymore."

2. Your friends have started calling you a "glass half-full" enthusiast, but really mean it as a synonym for "crazy person."

3. You've taken up "survival mode" as your default setting, and it's not just for emergencies anymore.

1. The Art of Holding Your Breath

2. The Pretzel Logic of Accepting Reality

3. Surrendering to the Pretzel