The storage device according to the present invention is characterized by comprising: a feature amount detection unit that detects feature amounts related to actions of an occupant in a moving body； an excitement degree acquisition unit that acquires excitement degree information indicating the degree of excitement of the occupant when the feature amounts have been detected； and a feature amount storage unit that calculates, on the basis of the feature amounts and the excitement degree information, a first corresponding feature amount corresponding to a first excitement degree of the degree of excitement, and stores the first corresponding feature amount in association with the first excitement degree.
