Respuesta :
Seriousness because it is more of a revelation they need to know from Friar Laurence because their love happened very quickly and will end very quickly. The love will not last as it consumes them and they need to realize that it isn’t good and this resonates the mood of seriousness.
Answer:
seriousness
Explanation:
The oxymoron is a literary device that is used when two opposite words are put next to eachother, in order to create a certain feeling, a paradox is a statement that contradicts itself, in this case Friar Laurence is telling Romeo and Juliet that they have to love eachother moderately if they want their love to last, since violent consuming lovers often do not last.