"I wasn't going to leave it in forever."

That had never been her intent, no matter what he might think. She'd just wanted a break from having to be constantly on alert. It had been exhausting, always half-expecting him to show up when she could least afford the distraction.

There were too many benefits to regaining use of the Force to indulge her desire for rest, however. And even if her encounter with Vader had hurried it along a touch faster than she otherwise might've, there's no reason to volunteer that information to him.