Ian glared at his son, who decided that, of all nights, he was going to choose the one they were in to fight his sleep for no reason other than to use someone else's legs to walk around the house. He was being unusually fussy, making Ian think he was still sick, but Mina insisted that the boy was simply in a bad mood, likely because he had too much milk, did not like the feeling, and did not know how to deal with it. Ian knew that his wife was a doting parent, so for her to ignore their son meant that she was confident in her assessment, and given that Ethan's belly looked bloated, she was probably right.