Correct
有奶便是娘
/ yǒu nǎi biànshì niáng /
Strokes
Definition
lit. whoever provides milk is your mother (idiom)/fig. to follow whoever is feeding you/to put one's loyalties where one's interests lie
Example
Definition
whoever suckles/breastfeed sb is sb's mother; lick the hand of anyone who throws a few crumbs; snuggle up to whoever can give one some advantage; submit oneself to whoever feeds him