Systems, methods, and computer program products to perform an operation comprising receiving, from a set of input devices, data of an environment surrounding a computing device, determining a current context of a discussion based on the data and a timing schedule specifying a list of planned contexts, receiving a request to perform an operation on the computing device, determining a context of the requested operation, determining a measure of relatedness between the contexts, and upon determining the measure of relatedness does not exceed a predefined threshold, restricting execution of the operation.