In a promo for Sunday's season finale of Keeping Up With the Kardashians
, which was taped before Rob's fiancee, Blac Chyna, gave birth to their daughter, Dream
, last week, Scott takes the 29-year-old reality star
to a daycare to show how stressful it can be as a parent. "I wish I could say that only sometimes parenting is chaotic," he says. "But it's pretty much all the time, 24 hours a day. ...It's just difficult all around."