have somebody’s interests at heart

idiomPart ofheart

have somebody’s interests at heart — idiom

1. To genuinely want someone to be happy and successful, even if your actions seem

1.idiom
Definition

To genuinely want someone to be happy and successful, even if your actions seem otherwise.

Example

The coach had the players' interests at heart when he pushed them hard.

I know you're angry, but I have your best interests at heart.