Luca indeed realized that Isla was much smarter than her mother.

At least so far, she was the first to pick up on his intentions for coming here.

“Isla, don’t you want someone to take care of your mom, love her, and also care for you?” 

“Uncle, do you want to be that person?” 

Luca, tempted by the prospect of 'benefits,' quickly admitted, “I do…” 

Then he swiftly realized he had been successfully led into a conversation by a kindergarten kid, and instead of being angry, ...