unbearable lightness.

every new semester:after first week:after second week:before midterms:during midterms:after midterms:before finals:after knowing schedule of final exams:7 days before a final exam:6 days before a final exam:5 days before a final exam:4 days before a final exam:3 days before a final exam:2 days before a final exam:1 day before a final exam:night before a final exam:1 hour before a final exam:during a final exam:after walking out of the examination hall:after the final exams, during the holiday: