It's wrong to boast about one's possessions.
Ellie just got a PS5 and some awesome games for it.
Ellie wants to talk to her friends about it.
Ellie talks about the PS5 including everything she hates about it.
Ellie brags to all her friends about how awesome her PS5 is.
Ellie's friends all discuss the pros and cons of the PS5 with her.
Ellie quickly finds her friends list emptied of people who want to play with her.