Regarding the genre of R&J, the confusion is because the genre names have changed meaning over time. "Romance" back then is closer to what we would call "advent

Regarding the genre of R&J, the confusion is because the genre names have changed meaning over time. "Romance" back then is closer to what we would call "adventure" today. Comedy basically means the characters get married in the end, while tragedy means they lose everything and die. What often confuses readers today is that Shakespeare tragedies can be very funny.