You'll be asked "what did I like least..." and you'd better answer right! Don't get too down on anybody, you'll make your next boss afraid that you'll bad-mouth him or her!

Choose a negative from your more distant past.

Set the stage. This is where I was, this was the negative.

Now here comes the important part: "This is what I learned." "This is how I'll employ it in the future." Show your learning and growth.