The drive for novelty, neophelia, is with us at all stages of life. It doesn't require a piercing tattoo to discover the pleasure of new ants. Once you are an expert, you can discern these subtle differences that make life full of novelty. The unexamined life is not worth living. You're saying, examine the life, you will find nuance and gradation there.
How is aging different today than it was in the past? What do young people get wrong about happiness? And what does it mean if you impulsively decide to get your ear pierced in an unusual place?