Well when I went to Stuyvesant orientation a couple weeks (yes im a freshman, no congratulations for getting into stuy is not necessary I already heard enough and frankly im quite tired of hearing it) I took the 6:45 BM3 I had the same mindset as you, I thought to myself oh ill get a seat in the front and no one will sit next to me, I got on at Bedford and X and I took the only bench with 2 seats available at about Kings Hwy or maybe K I don't quite remember I was half asleep but I remember looking up and seeing all the seats filled and one dude standing