It's wrong to dictate how people use their cell phones.
Jen is having trouble studying because of her roommate talking on speakerphone with the volume up high.
Jen wants to minimize external noise in order to focus.
Jen puts on some noise cancelling headphones to drown out the sound.
Jen tells her roommate to take it her phone off speakerphone.
Jen is relieved because she can think clearly.
Jen feels bad and thinks she was rude and bossy.