Answer :
Roosevelt is always biting his nails. This is a pattern of behavior that many of us engage in. It is a good example of a habit.
Biting nails is a nervous habit and the people who are stressed find it as a temporary relief from stress or anxiety.
The habit of nail biting begins in childhood. It becomes difficult to quit as the people grow old. It eventually becomes difficult to manage.
When people feel bored, frustrated and are waiting for something, they often turn to bite their nails. It's something that keeps them occupied. When a person is stressed or anxious about something, then also he or she bites nails.
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