and her husband hears about it, says nothing to her, and does not prohibit her, all her vows are binding, and every obligation she put herself under is binding.
When a man makes a vow to the Lord or swears an oath to put himself under an obligation, he must not break his word; he must do whatever he has promised.
Her husband Elkanah replied, “Do what you think is best, and stay here until you’ve weaned him. May the Lord confirm your word.” So Hannah stayed there and nursed her son until she weaned him.