A method of managing weight by using calorie consumption information, the method including: receiving target information from a user; receiving calorie consumption data of the user; analyzing the calorie consumption data based on the target information; and providing feedback to the user for a result of the analyzing the calorie consumption data. The architectures monitor user context and activity, senses or infers relevant reminders, goals, such as those that come from a growing need of the user that should be fulfilled, and computes best reminders, and recommend plans on fulfilling need in an optimum way. The fastening posts carry a horizontal beam extending therebetween, the horizontal beam having a rearwardly extending fastening protuberance over the socket beam carried on the ball.