Abstract: The present invention relates to healthy lifestyle management. In particular to a device for supporting a behavior change of a person (11), comprising a presentation unit (4) for presenting the person with a first stimulus (5) associated with a predetermined behavior and a second stimulus (6) having positive or negative affect, an obtainment unit (2) for obtaining a characteristic feature of a first stimulus and for obtaining a characteristic feature of a second stimulus, and a selection unit (3) for selecting the first stimulus and the second stimulus to be presented based on a common feature of said first stimulus and said second stimulus. A further aspect of the invention relates to a method for supporting a behavior change of a person and a computer program for carrying out said method.