Rafael only wanted to protect the man he loved. If he could prevent any potential suffering from happening to Frederick, he would! Anything to remove thorns of misery from his life. In doing so, he would only look like a clingy person who could not let go of the person he dearly loved.
But that's fine! Rafael knew he could take it. However, the only thing that prevented him from pushing it further is the fear of the man keeping his distance. Or worse, walking away from his life forever.
Refusing to give in to the relationship they had over an argument based on his gut, Rafael decided to give in and apologise, "You're right, I'm sorry. Here, take this."
He extended his exposed arm, gave him his personal dagger and waited for Frederick to do his part. However, he was only given a sideway glare as the hazel-eyed man said, "That's not good enough."