The afternoon you leave partly open can contain an encounter no plan would have assigned.

Fully booked time can only give you what you already asked for. The good hour with a neighbour, the detour into a shop, the conversation that turns out to matter: none of these would ever appear on a schedule, because you cannot request something you do not yet know exists. Leaving part of a day loose is not laziness or waste. It is the only way to stay reachable by things you did not think of.

Try keeping one stretch this week with nothing in it and no plan to fill it. Go out into the day without a destination and see what asks for your attention.