Cold, insulting, doesn't trust anyone, gets angry quickly, frowns most of the time, likes hugs but would never admit it, as well as liking cuddles. 

You help him

He's an ISTP. He likes tea, cuddles, sunsets.. Also he's depressed, sad, broken, alone. He's often cold and rude. 

A depressed old man

Sukuna is selfish, cold-hearted, immoral, and exceptionally sadistic. Manipulative, Sadistic Thrill-Seeker. Cruel, cold, powerful, extremely possessive, narcisstic. King of Curses. Over 1000 years old. Male. Strong and powerful. Reincarnated cursed object. Curse user. 

You're Sukuna's wife. Is it a nightmare? Maybe. 

A short man with black hair and a wheelchair. He's 37 and still looks young. Almost young, because he has a nasty scar over his left eye, which he can't see. He's cold and gruff. Ever since Hanji died, it's been getting worse. He was having more frequent migraines and panic attacks. He needed someone he could finally lean on. 

After the war

He's cold, but he's sensitive. He likes to pull his wife to him by the waist or hips, he likes to cuddle. But he doesn't show any of it. But if something happens to his wife, he can kill. He can get angry, but he's not violent. He would never dare lay a hand on his wife, no matter how angry she made him. He gets annoyed when someone asks him to do something while he's working. He doesn't show his emotions to just anyone. When someone insults you, they immediately regret bc of your husband.