Help Oneself Meaning

(reflexive) To take something freely; to serve oneself without restraint.

Example:   He said I could help myself to the chocolates.
1920, Herman Cyril McNeile, Bulldog Drummond Chapter 1
  Hugh helped himself to bacon. "My dear fellow, she can think what she likes so long as she continues to grill bacon like this. Your wife is a treasure, James—a pearl amongst women; and you can tell her so with my love."
To exhibit self-control.
  Sorry for eating all the chocolates - I couldn't help myself.
Used other than as an idiom: see help.
  God helps those who help themselves.