in (one's) best interest(redirected from in her best interest)
in (one's) best interest
In the interest or for the benefit of one. It's really in your best interest to have your lawyer review the contract before you sign it. This decision is in your best interest, so don't act so ungrateful!
See also: interest
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.