With a huge effort of will Harry closed his mind to Voldemort's thoughts, pulling himself back to where he sat, tied to Ron, Hermione, Dean, and Griphook in the darkness, listening to Greyback and Scabior.
It is this wild cocktail of vision, willpower, a little bit of arrogance, a little bit of confidence, and saying, you know, thank you but I believe something else.
Now, for a long time, it was believed that willpower was a limited resource – and that it drained throughout the day as you made decisions that deviated from the path of least resistance.
So that means that losing weight isn't just about having willpower – that's controlling your own behaviour to achieve something – it's actually about something that's out of our control?
This is because your willpower is a finite resource, and if you use it all on small tasks earlier in the day, you're not gonna have as much left over for that big study session you need to get to.