A driving support apparatus including a processor, where the processor acquires operation information for an own vehicle by a driver at the time of a driving assistance intervention for keeping a lane of the own vehicle, environmental information including another vehicle around the own vehicle, and biometric information of the driver, estimates emotion of the driver based on the operation information, the environmental information, and the biometric information, estimates control parameters related to an amount of intervention at the time of driving assistance intervention based on the estimation result of emotion of the driver, and controls the own vehicle based on the control parameters.