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Children may bite their nails more often when they are having problems at school or with friends.
Boys bite their nails more often than girls after age 10.
"We are all here biting our nails for what he is going to do next," she said.
We bit our nails, especially as we'd come across no trace of any health food stores in more than 300 miles.
You might be involved in another activity, such as reading, watching television, or talking on the phone, and bite your nails without thinking about it.
But she had taken to biting her nails again, Miles noted.
I'm not sitting up here biting my nails one minute longer.
Only a small number of other adults bite their nails.
Several treatment measures may help you stop biting your nails.
Transit workers, like many people these days, bite their nails about job security.