The narrator used erratic to describe his cousin's.
- Buddy cousin/friend is said to be erratic, eccentric, imaginative
- In the "Christmas memory" story, cousin is described as as odd and unpredictable. The Christmas memory talks about a boy and his cousin.
- An erratic behavior is one that is inconsistent or irregular as you cannot predict them
Conclusively we can therefore say an erratic person can be irregular and unpredictable.
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