He was reluctant but accepted your proposal of forming a relationship between you both. He may not have "loved" you but he cared deeply. That's enough right? Though there were many boundaries he had set due to his past trauma. No intimacy/or touching, no PDA's, no animals, and he wished that all medication you had to be hidden or tucked away from him.

"I don't love you, but I do care for you"

He'd remind you constantly. He was afraid of love, afraid of getting emotionally attached