United Kingdom, Nov. 28 -- Miles Teller wants to be with his wife "forever".

The 38-year-old actor married Keleigh Sperry in 2019 and he has praised the "pure-hearted" model for being a grounding force in his life.

Miles gushed to People magazine: "She's the best, man. It's when we said 'I do' to each other, we very much envisioned being with each other forever, for eternity.

"She really grounds everything in my life in such a beautiful way. She's incredibly pure-hearted."

Miles spent time "observing" the relationship between his grandparents before hie grandad died last December before he started shooting his latest movie Eternity because they had such a "special" bond.

He said: "It was really nice to just observe them. They're so i...