Okay, so long enough she has no memory without being able to dream things. Safe bet to say it's been most of her life. He can understand a certain level of frustration in not being able to control it or being afraid of what her abilities might conjure that could inflict harm. It's a tough way to live.

"Well, if you ever need someone to watch your back or go with you, I don't know how much help I'd be against dreams, but physical things? I've got your back. If you want."

He only vaguely knows about Ronan's dreaming, but if it's anything like Force abilities, they can vary based on the person that possesses them.