1. Get there 30 minutes late.
2. say you forgot something in your car - Goof off for about 30 minutes.
3. come back and sit for 30 minutes "taking notes" (doodling, poem writing)and listening on the "radio"(music)
4. go to the bathroom-30 minutes
5. repeat number 3.
This should get you through the morning. and you can repeat this everyday with some variation.