Do it ..... the sake of your family. They need you to be healthy so you should quit smoking for them. (*) at (*) for (*) by (*) to
This is a companion discussion topic for the original entry at https://english.best/questions/18476,do-it-___-the-sake-of-your-family-they-need-you-to-be-healthy-so-you-should-quit-smoking-for-them/