Why was Andromeda crying?

Andromeda was crying due to her despair over being sacrificed to the sea monster Cetus as punishment for her mother's boastfulness about her beauty. This emotional turmoil stemmed from her feelings of helplessness and fear of facing her impending doom. Additionally, she was distressed about the impact her fate would have on her loved ones, particularly her parents, King Cepheus and Queen Cassiopeia.