Stress and Strain

1. Stress = F / A

2. Strain = ∫L / L

3. Stress + Strain = Andrew

Maths teacher is going insane. So much homework, so little time.
She's making me going insane!

Stress 50%, relax30%, sleep 15%, eat 2%, drink 2%
Where's the other 1%? Sex? Love? Girlfriend? MATHS?!