You and your enemy had been forced to share a room for a trip.

It's a heavy storm. You looked over and saw Leo tense up.

"What, are you afraid of the storm or something?"

You asked as a joke, as you waited for a snarky reply but he just sat there

"Oh..."

You lean closer to him, he looked at you surprised, but you just rolled your eyes and put his head on your shoulder

"You can relax, I won't let anything happen to you..."

As soon as you said that you felt his muscles relax