How does thumbelina overcome the obstacles she faces in this story?

Thumbelina on its journey met with a terrible frog that wanted her to marry her son and then the good-intentioned mouse which wanted to marry her for a dull old mole.

However She was saved from both marriages and eventually met the Little Prince who was its size and in which she immediately fell in love. They married and lived happily in flowers, fun, and love.

At the beginning of the life she was afflicted with a series of accidents which she overcame with her goodness and honesty and then was rewarded with true love and a happy life.