I don't know anybody's road who's been paved perfectly for them, there are no manuals, you don't know what life has in store for you.
One of the most important things about the geology on the moon is your descriptions of what you see, comparing them to things that you've seen on Earth so that the geologists and the scientists on the ground would know what you're talking about; and then take pictures of them.
With any part you play, there is a certain amount of yourself in it. There has to be, otherwise it's just not acting. It's lying.