Red flags in men:

1. Listening to rock music
2. Listening to hip-hop music
3. Listening to metal music
4. Listening to EDM
5. Listening to jazz
6. Listening to folk music, or any sort of acoustic, singer-songwriter type music
7. Listening to classical and/or opera
8. Listening to local music
9. Listening to foreign music
10. Listening to noise music, drone music, and ambient music
11. Owning physical media
12. Playing musical instruments
13. Singing...and also knowing the lyrics to songs
14. Going to concerts, especially more than one time a year
15. Watching Anthony Fantano's videos and having opinions on music
16. Listening to soundtracks
17. Listening to anything
18. Listening to old music
19. Listening to new music
20. Did I say pop music? Because that's maybe the biggest red flag of all of them.

Okay, there you go, stay safe.