Her: although beach picnic right now doesn’t sound very fun, tooooo cold
Student: that’s not a worry jackets exist, or sit in the car with the heater on, music playing, people watching and the ocean right in front of us
Her: THAT’S MY FAVORITE
Her: eating in the car from the beachfront parking lot
Student: what music do you prefer whilst sitting in the car?
Her: Depends on the mood
Her: 80% of the time want $uicideboy$ playing
Student: I have a 22 hour playlist mainly $uicideboy$, night lovell and pouya 
Her: but other times I want rock, indie, alt, my party playlist, 2010 pop songs, or country 
Her: ok marry me then 
Student: Bruh
Student: We share the exact same music
Her: it’s meant to be, plus you’re in the navy, favorite branch by far

You have exceptional taste, shoot me your number for romance arrangement purposes
 At this point in the interaction there is enough positive back and forth between the girl and the student that he can go for the number close without getting rejected. Also saying she has exceptional taste when talking about the student himself shows a good level of cocky humor. 