Della kept quiet throughout the explanation, understanding that while Della was reluctant to put out her story, Yondu needed to vent out his own. She nodded very now and then show she was listening - though some of the story definitely got raised eyebrows - and patiently waited for him to finish.

"No, maybe you weren't real good." She replies, trying to choose her words carefully, what does he need to hear? "But you were good enough. I'm not gunna say all your choices were great ones, but they were were it mattered most. I'm sure Quill knows that now."

And if he didn't... well, the train was full of opportunities. Maybe they could meet again.