Here is a video which will help you understand WordPress permalinks further

Why Changing Permalinks Is Important? In that case, you might want to separate the original one from the new post while still keeping the keywords in the link. This can be done using several methods, one of which is to include a date and a name of the post in the permalinks.
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Lea:
What would you name 10 kids?
(7 October 2016)

Sena:
What can I tell my friend?
(7 October 2016)

Rubie:
My mother fears her mother deeply, how do I not let that rub off on me as I am starting to also?
(7 October 2016)

Rubie:
So how can I avoid my mother's fears of her mother rubbing off onto me now that I am an adult out on my own?
(7 October 2016)

Rubie:
My mother fears her like she is some deranged lunatic.
(7 October 2016)

Rubie:
Yet, she is a perfectly nice lady who only rolls her eyes if annoyed and unrealistic holiday expectations, otherwise she is fine.
(7 October 2016)

Rubie:
Now that I am an adult and out on my own I am beginning to fear my Mom's Mom (my maternal grandmother) also.
(7 October 2016)

Rubie:
She walks through fire to please her mother and puts her mother before her husband no matter what.
(7 October 2016)

Rubie:
My mother has a tremendous fear of displeasing her mother.
(7 October 2016)

Earleen:
Do you guys ever think about the girls they've rejected?
(7 October 2016)