Speaking to US Weekly, the actor named his favourite things about Watts, with whom he parents 3-year-old Sasha and 2-year-old Samuel.
"What do I love most about her? Well, she makes beautiful children," he told the site.
"She's very talented and she's pretty easy on the eyes."
Asked to describe his perfect evening at home with Watts, Schreiber responded: "Good cooking. Dinner at home and everybody's quiet."
The couple began dating in 2005.