solved I need an explanation for this Psychology question to help

I need an explanation for this Psychology question to help me study.

View the videos The 81-Year-Old Bodybuilder who Inspires Others to Get Fit (Links to an external site.) and Life Lessons From 100-Year-Olds (Links to an external site.

In this journal,

Reflect on the knowledge, based on theories of development, 
Discuss what skills can be developed from having this knowledge.
Analyze how knowledge about lifespan development theory can be applied to your goals and career.
Evaluate what ethical considerations should be taken when applying these skills.
Your journal this week should be 400 to 500 words and have an introduction and a conclusion

Study Material:
Mossler, R. A., & Ziegler, M. (2019). Understanding development: A lifespan perspective. Bridgepoint Education.

Chapter 15: End of Life: Death and Dying
Chapter 16: A Thoughtful Approach to Life: Aspects of Successful Aging

Shriner, B., & Shriner, M. (2014). Essentials of lifespan development: A topical approach. Bridgepoint Education.

Chapter 13: Death, Dying, and Grieving