system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 Why does a candle go out when you blow on it?
gpt
The fire triangle keeps fire going, fuel, oxidant, heat. You've got the air to provide the oxidant and the wax to provide the fuel, and the heat released from the reaction maintains the temperature in the air around it, making it self-sustaining.

When you blow on the candle, you remove the heat more quickly than the reaction can resupply it, and the reaction is disrupted.