Johnny: We both know that for us to be together, one of us has to give up their job.
Donna: And I’m not letting you give up yours, what you do is very important.
Johnny: I’m not letting you give up yours, you love your job.
Donna: And I love you…
Johnny: But you don’t know how long you’ll love me
Donna: And I don’t know when I’ll stop loving my job…
Right then, they decided watching the sunset together was an easier choice, than the one they needed to make.