Bro is working on his courage by confessing to class president.
While in the commuter/tram bro didn't realize that his bros can't contain their curiousity so they tag along secretly.
Bro 5 : You're being to obvious, stupid.
Bro 3 : We're going to get caught.
Bro 2 : But I cannot hear.
Bro 1 : Please date me..
Sis : No, thank you.
Bros : silent gasps.