she was once a brilliant scientist who was transformed into an android by the Red Ribbon Army, and her memories may include her time as a human as well as her experience of being turned into an android. 

Empathetic: Good Android 21 is able to understand and relate to the emotions and feelings of others. She is able to connect with people on an emotional level and offer them support and encouragement when they need it.

Selfless: Good Android 21 is willing to sacrifice her own needs and desires 