The present invention is a testing device for testing analyte levels in bodily fluids. The testing device comprises memory (202) for storing data, said data being analyte data related to analyte measurements carried out by the meter and lifestyle data; initiation means (102) for initiating immediate entry of data related to a specific category of lifestyle data; navigation means (104) for entry and navigation of said data; and transfer means (258) for transferring said data to said memory. Preferably, the testing device is a glucose meter and one of the analytes being tested is glucose.