Reading and Sport

📚 Reading: The Secret Life of Programs

Read the chapter covering deadlocks and race conditions today. These are two classic concurrency pitfalls — deadlocks occur when threads block each other indefinitely waiting for resources, while race conditions arise when the outcome depends on the unpredictable timing of concurrent operations.

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🏊 Sports: Swimming

Swam 1 km today. Steady progress.

💰 Actions: Teaching My Son About Money

My son and I deposited his yasui money (New Year’s red envelope savings) into the bank today. I plan to use this as a lesson in financial thinking — teaching him to nurture a “golden goose” that lays an egg every day, rather than spending the principal all at once.