Tom: But I did mum! I did..
Thus student failing test anyway because revising is innefective due to student thinking about their crush/dinner/myspace/friends for the duruation of the revision period whilst blankly reading through text and making notes they will later misplace.
''I just dont know.''
Student: Sorry I have to revise
Dad: You've been on the computer all day
Student: Yeh! Coz I'm revising, idiot.
Mum: *inaudiable moaning about tidying room etc.*
Student: SHHHH NO talking I'm revising
Mum: You spend an awful lot of time at xxx's house
Student: Yeh, we revise together