Girlfriend's best friend used his girlfriend's mobile phone to send a breakup prank. I feel that her best friend is not a good person, and the one who can be with her is not a good person. Should we s

Girlfriend's best friend used his girlfriend's mobile phone to send a breakup prank. I feel that her best friend is not a good person, and the one who can be with her is not a good person. Should we separate it? I don't think you should look at it this way. Her best friend's practical joke is her best friend's personal behavior. His best friend's character does not represent your girlfriend's character. It's unfair for your girlfriend to do so. Some things should be well communicated with your girlfriend, not indiscriminate.