Contextual Analysis of "nineteen years old" in Lyrics

you got yourself a good deal

and she got ways just like a baby child

my name is lilly

no money to study

your oldest brother was away at a home

old enough to know better

impossibly cold

and then you reached up

my name is mitchell welling

i am a musician

start

all dressed up like a downtown christmas tree

gave myself early dismissal

bought my rollie presidential