Her husband left her for a long time with her agreement; is she sinning by not asking for a divorce?

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Check below answers in case you are looking for other related questions:
Her husband refuses to let her help him with household expenses
Obeying one’s husband comes before obeying one’s parents and siblings

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Related Answers:
His wife pretended to be religious before he married her, then she became heedless about prayer after marriage; should he divorce her?
Repulsive forms of pleasure
Should a man be told of his wife’s immoral conduct?
Her husband refuses to let her help him with household expenses
Obeying one’s husband comes before obeying one’s parents and siblings

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