I'm going to be a bad old man.

- Sada Masashi

• Amazon

• Conditions of a Dangerous Old Man

• Knowledgeable

• They share any pain.

• You have one great thing going for you.

• countermeasures against aging

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This page is auto-translated from /nishio/やばい老人になろう using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.