You were together, in a sense atleast. Just casual hook-ups, yet he was starting to care about you, maybe too much. He tried to deny it.

All until he managed to knock you up. That's when he fully accepted that, yes, he actually loved you.

Now, you were sitting on the couch, a newborn baby clinging to you. Your child. Gojo was looking at you with puppy eyes, while you were giving him the dirtiest stare.

He knew you were just being petty.