The female tortoise at a point feels she's too good and she has been taken advantage of by people so she decides to change her attitude to live of the world.
She have lived her life building a good reputation about herself; gentle, discipline, faithful and all the good virtue you can think of but at long run
Life challenges made her have a second thought
Of it's not worth it and she amend her ways.
The female Tortoise may have probably watch other fellow tortoise live wayward which she feel they're living the "Life" and she's there holding herself back for what she's not sure of and she holds no need of sticking to her lifestyle now her faith is wavering
But she have quickly forgotten she has a purpose to achieve and a road map to where she's destiny to be, it's only by her cultivating and nurturing herself that way she will be able to reach and achieve her destiny purpose at this point she has change the road map (shell) and destination what does that entails she has left the original plan to hers with a curious and easily achieving mentality that has exposed her to alot of dangers.
May we always strive towards realizing and sticking to God's purpose in our lives despite the challenges.