How many brain channels can you run at the same time?
Just because you can walk and talk at the same time, doesn’t mean you’re doing both in world class order. You can’t focus exclusively on both. That’s why if you’re texting and driving you’re doing neither very well. You’re driven to distraction.
If something is worth doing, it’s worth doing with your full attention. Multitasking takes a toll on your effectiveness, and undermines your outcomes.
Want better results? Get focused.