Matt Damon isn’t prepared for his daughter to depart dwelling base. 

Indeed, the Good Will Hunting star’s 18-year-old daughter Isabella is about to begin college at New York University this fall, leaving him understandably in his feels. (Matt and spouse Luciana Damon are additionally dad and mom to Gia, 15, and Stella, 13, in addition to Luciana’s daughter Alexia, 24, along with her ex Arbello Barroso.)

“It’s a lot,” he instructed E! News’ Will Marfuggi in an unique interview with The Instigators costars Casey Affleck and Hong Chau. “It’s a surreal kind of time and the way it operates in your life, the older you get, because it just feels like I was holding her yesterday.” 

And as a good warning to Hong—who has two youngsters beneath 4—he added,  “To our relatively new parents, it happens quickly.” (For extra from Matt, Casey and Hong, tune into E! News tonight, July 30, at 11 p.m.). 

While Matt admitted dropping his older brother off at school was one of the primary instances he noticed his personal dad cry, Casey—who shares sons Indiana, 20, and Atticus, 16, with ex Summer Phoenix—shared, “It feels like goodbye, you know what I mean?”