George Lakoff: Conceptual Metaphor Theory

This video features George Lakoff explaining how he decided to start his work on conceptual metaphor theory. According to the conceptual metaphor theory, metaphors and other forms of figurative language are not necessarily creative expressions we use metaphor to make sense of our experiences.

How many examples of conceptual metaphor does Lakoff give? Are these figures of speech more helpful to understand the situation than using plain language? Why or why not?