The disclosed embodiments relate to bio-sensing to detect various emotions and improve feedback and targeted assistance for users performing or learning to perform tasks. In one example embodiment, a method may include detecting a biomarker of a user using a biosensor associated with the user, determining a psychophysiological state of the user based on the biomarker detected by the biosensor, and providing feedback to the user via a user interface of a social networking application that links a set of users including the user to improve performance of the user in executing a task based on pre-defined metrics.