It is foolish to burn down your own house.
Tony is sitting in his living room when he realizes it is a bit cold.
Tony wants to make the room warmer.
Tony gets up and adjusts the temperature on the thermostat on his heater.
Tony starts a fire in the living room of his house.
The heater kicks on and starts to warm up Tony's house.
The house burns down and Tony is taken to the police station for questioning.