take the reins

: to get into one's hands or into one's possession, power, or control: such as

: to seize or capture physically

: to get possession of (fish or game) by killing or capturing

: a distinct or personal point of view, outlook, or assessment

: an act or the action of taking: such as

: the uninterrupted photographing or televising of a scene

: kidneys

: the region of the kidneys : loins

: the seat of the feelings or passions