They always worry about the worst case!
It is when the blind try to read your face
A watermeloin.. Don't worry, I remember where the door is.
Don't worry, the dinner's on me.
To the foobar.
How many pessimists does it take to change a light bulb? None - it's probably screwed it too tight anyhow!
An Optimist learns German. A Pessimist learns Chinese. A Realist learns AK-47.