Studying or any other performance related activities can be mastered by adopting some techniques in the context of your personality, your environment, support network, physical health status and your social situations. You got to realise your strengths and limitations in relation to studies, based on which you need to schedule your activities. Cognitively, practice mindfulness technique of carrying on being in action irrespective of your emotions or feelings. The outcome or results you produce or happiness you get out may vary, but just keep commiting to continue to be in action without fighting with your emotions. Get into good disciplined lifestyle with regular exercise, meditation, healthy eating and sleep hygiene. Regards