United Kingdom, Nov. 24 -- Will Arnett adores his 1990s supermodel girlfriend Carolyn Murphy's "generous spirit".

The 55-year-old actor and the 51-year-old blonde beauty have been dating since September after they were "set up" by a mutual friend, and Will said the natural connection between the pair makes their romance work.

A very happy Will told People: "I think that there's just an ease from the moment that we started hanging out.

"We have a real ease with each other, and she's just such a generous-of-spirit person, and that's what I love. One of the many things that I love about her."

In September, People confirmed that Will and Carolyn are dating.

That month, the SmartLess podcaster stepped out with his new lover in London to s...