This is the 181st most frequent Russian word.
собой
"Собой" means "oneself" or "itself" (reflexive pronoun).
Here, 'с собой' means 'with me,' indicating that the person carries an item in their possession.
Я всегда ношу с собой книгу.
I always carry a book with me.
In this sentence, 'собой' functions as a reflexive pronoun indicating the subject feels pride about themselves.
Он гордится собой.
He is proud of himself.
Here, 'с собой' signifies 'with ourselves,' highlighting introspection or self-directed honesty.