Please would you take a look at these sentences and correct my mistakes. I just wanted to see if I could use the phrase "chew over" in these sentences.
1. When he became old he started to drink heavily and chew over his past life.
2.The whole family gathered and chewed over until the late in the night about the inheritance.
3. It has become almost his habit to sit every day for hours, and chew over his divorce.
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