Authors:

When your mind is preoccupied, your impulses—not your long-term goals—will guide your choices.

Kelly McGonigal (2011). “The Willpower Instinct: How Self-Control Works, Why It Matters, and What You Can Do to Get More of It”, p.24, Penguin
When your mind is preoccupied, your impulses—not your long-term goals—will guide your choices.