Why does Mrs. Morel disapprove of Paul`s relationship with Miriam? Does her objections are valid?

Mrs. Morel disapproves of every woman wishing to involve herself with Paul. She wants her sons to pay attention to no other woman but herself, she is extremely jealous. After years of focusing all of her attention on her sons and living through their experiences and actions, she has no wish to share them. Paul's brother dies early in the novel, thus her affection is focused on him twofold.

In the novel sons and lovers by love anus why does Mrs.morel disapprove of Paul's relationship with Mariam? does her objections walid?

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