The point of view most suitable for memoirs is the point of view.

Personal. Because a memoir is a story about you, by you

Hope this helped! Let me know if I need to clarify anything or explain more in depth!

Personal

Explanation:

because the text is yours and is personal

the black night was split open like the coconut

it says that it was totally black in the mind of a person but suddenly his mind opened like a coconut with the sweetness of the coconut water and the white color inside it.

or

the black night was thrown like a coconut and it slit apart with its sweet water coming out .

you do this because a real teammate puts the team first