to be so used to sb/sth that you do not recognize their true value any more and do not show that you are grateful :
Her husband was always there and she just took him for granted.
We take having an endless supply of clean water for granted.
to be so used to sb/sth that you do not recognize their true value any more and do not show that you are grateful :
Her husband was always there and she just took him for granted.
We take having an endless supply of clean water for granted.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005