Out of total randomness

Starting from next Monday, I have decided to walk up the stairs in college from GROUND FLOOR to the SEVENTH FLOOR due to the following reasons:

- I'm under-exercised
- Waiting for the lift takes longer than walking up
- Taking the lift takes longer than walking up
- Too many people in the lift

Nevertheless, I shall not comply with this undertaking if I'm late for classes.

Told you it was random.