Write a piece about abstaining from that thing. What does its absence look like at 5 minutes? 5 weeks? 5 months? 5 years?
Questions that might be helpful: Does anyone but you notice its absence from your life? Do you replace it? With what? What does withdrawal from it look like? Sound like? Taste like? What does not having it/doing it do to your body? How does your day change? Why would you give it up?