A. “You’re old enough to do that.” B “You’re old enough to talk like that.”
variation A. “I’m too old to do that.” B “You’re a good old boy and you don’t know how people feel.”
mimicry https://twitter.com/tenfh1010/status/1368199981731966983?s=21
This page is auto-translated from /nishio/いい歳して 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.