Optimist: the bowl is half full
Pessimist: the bowl is half empty
Plumber: the bowl is half full now but that bad flapper in the tank is costing you probably hundreds of gallons in wasted water every week. I can replace it for $325
optimist: the bowl of french fries is half full
pessimist: the bowl of french fries is half empty
me: we should just order another bowl of french fries