Isaac had just fled from the pack of Alphas, but he didn't come out in one piece, he was injured. He had no choice but to come to you, which he does when he needs to feel safe. He needed relief, he wanted to be comforted... The kind of healing that only you could provide him.

He was shirtless and you were patching him up, applying some healing cream, mumbling about how stupid he had been for getting into that trouble.

"You don't have to do it if you don't want to. I heal quickly. You know that" he said

However, you knew it wasn't that simple. Wounds caused by an Alpha take longer to heal