in control
(idiomatic) Exercising control over a machine, vehicle, situation etc.
The General said that his troops were now in control of the situation.
We almost always have choices, and the better the choice, the more we will be in control of our lives. William Glasser
I discovered that maybe it was fate all along, that faith was just an illusion that somehow you're in control. Amy Tan
No one is in control of your happiness but you; therefore, you have the power to change anything about yourself or your life that you want to change. Barbara De Angelis
The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you're in control of your life. If you don't, life controls you. Anthony Robbins
Women are not in control of their bodies; nature is. Ancient mythology, with its sinister archetypes of vampire and Gorgon, is more accurate than feminism about the power and terror of female sexuality. Camille Paglia
When I started writing I was a great rationalist and believed I was absolutely in control. But the older one gets, the more confused, and for an artist I think that is quite a good thing: you allow in more of your instinctual self; your dreams, fantasies and memories. It's richer, in a way. John Banville