Person 1: Have you seen the new haikyuu episode?
Person 2: no, why?
Person 1: Yamaguchi Tadashi finally got the float serve right!
Person 2: oh my god, my smol child is growing up
They All Do That Sir. Usually used in response to a question someone asks about an issue with a particular product. The response indicates that it is not an issue, but a characteristic of the product in general.