this is what happened. 1. was running a bit late but ok. 2. got to car, forgot timetable, went back, bit more late. 3. got stuck behind learner driver for 2/3 of journey, quite late now. 4. got to uni wasted lots time trying to park. 5. have to walk 5 blocks to lecture cos no spaces nearby, by this time, considerably late. 6. outside building, realise have left aforementioned timetable in car which is 5 blocks away and have no idea where lecture is. 7. upset, hungry, and cant face embarrassment of walking into lecture halfway through,give up and go home and eat shredded wheat.