This time he understands the source of he confusion, but he cannot give an explanation; not without giving her another source of fear to fuel further ill-reasoned actions before she has had time to lay them to rest.

When his hand is released, his arm returns to his side, and he walks to the door, before turning.

"Until next time."

He will leave it to Hayley to decide when that next time will be. He cannot fix everything, and trying at this juncture would only cause damage.