Responses
It also shows that he is scarred since he decided to be on top for this scene and to be the one to hold the ropes as u would say, granting that he is in charge and has control of the situation which hints that he didn't have that as a sub in his last relationship and was mistreated. He wants to have control over the situation. And as we saw in the visions from the seme before, he is totally a sub and masochist originally. So that really shows his insecurity and trauma.
“He’s not gonna like me anymore if he knows I’m into bdsm!” Like, seriously..? That’s legit one of the most vanilla kinks these days. Wish the author didn’t choose his big dark secret to be that -_-