I dunno, I still have location sharing on 24/7 with my millennial buddies from 10-15 years ago when we were partying hard and it was annoying to keep texting or calling to find out which bar or club you were at or moved on to. Especially when you black out and stop responding.
The cognates are what make it so easy. It’s like adding -o to English words to get Spanish; you can just add -u to Korean to get Japanese pronunciation like 약속 --> やくそく
Cultural concepts translate directly, e.g., 선배/후배 --> 先輩/後輩, honorifics in general, 月火水