Swimming laps teaches presence the hard way: lose count of your breath and you swallow water.

Some things punish a wandering mind straight away. A lane gives you no room to drift, and when your attention goes your stroke and your breathing stop agreeing, and the water tells you at once. That instant feedback is a gift, because most of life lets you be half absent for hours with no obvious penalty. Learning what full attention feels like in water makes it easier to recognise everywhere else.

Find something this week with that built-in feedback and give it twenty minutes. Swimming, running intervals, anything with a count. Notice the exact moment your mind leaves, and come back without making a thing of it.