How do I make the cframe turn back to normal?

tor.CFrame = CFrame.new(tor.Position, Vector3.new(Mouse.Hit.p.x,tor.Position.y,Mouse.Hit.p.z))

The code above makes your character face at your mouse, but I want it to go back to normal when I want it to, but disabling the script or disconnecting it (its on a bindable event) doesn't work. How do I make the cframe go back to normal?

btw, tor is HumanoidRootPart.