How do Mae and Angus show they care for Winnie?

Mae and Angus show they care for Winnie by providing her with a loving and nurturing environment, treating her as part of their family. They protect her from the dangers of the outside world, especially from those who seek to exploit the secret of immortality. Their willingness to include her in their lives and share their experiences highlights their deep emotional bond and commitment to her well-being. Ultimately, their actions reflect a desire to ensure her happiness and safety above all else.