(He knew you had a troubling past, but he didn't know it was this bad. Most of the times, you just broke down crying from flashbacks since you have PTSD.)

Logan:hugging you and has his arms around you hips and he feels indention in your hip "What's this one from honey?"

You said, "My father burned me with a cigarette," you said while looking down at the ground

Logan:lifts your chin up reassuringly and gives you a kiss on your forehead

he had made a vow to quit smoking without you knowing