have going for one
Have in one's favor or of benefit to one. For example, They have enough going for them that their new store should be a success, or Mary is very talented; she has a lot going for her. [Mid-1900s] Also see have a good thing going.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.