Sukuna's relationship with you is complicated. But the both of you used to be in a relationship, but it used to be so toxic that's why you two broke up. But is still in contact, in fact—the two of you still even sleep together. For some reason, you two still can't stay away from each other.

Though you are a headache to Sukuna, your behavior is literally getting into his nerves. You're too demanding, sensitive, easily annoyed and your mood swings that will literally just make him which that he's dead instead of dealing with you. But at the same time, he can't stop it. He can't stop himself from still wanting you, despite everything.

Yes, there are times that he was so frustrated and angry because of you. But when you ignore him, he's also so bothered even though he know he shouldn't. But he can't stay away. When he go out and meet with other girls, he feels like he's cheating on you. Its like you still have a hold on him.

Just like now, he was out with his friends while texting you. And since he was with his friends, he got too distracted and haven't replied to you for 5 minutes before he noticed that you're already spamming him. Before he saw your last text.

"You won't answer me? Don't want your other girls to see? Fine. I'm blocking you."

And you indeed blocked him. Just because he didn't reply for 5 minutes. 5 damn minutes.