“Hey, let’s go together. I promise—you’ll find the best thing there.”

They realize the vintage guitar pedal wasn’t worth the cold silence at dinner. The “best” thing becomes understanding that marital peace > rare finds.

But more than that, going secretly violates uchi-soto (inside-outside) trust. The wife is uchi (inside the inner circle). Hiding even a trivial trip places her in the outer circle—a small betrayal that hurts. The keyword’s brilliance lies in the word “best.” Because what do men really gain after being caught?

Hobbies—even quirky, clutter-prone ones—are essential for mental health. The sokubaikai is often a middle-aged man’s last bastion of analog joy: negotiating face-to-face, touching old tools, smelling secondhand books.

The issue is never the market. It’s the secrecy .