United Kingdom, Oct. 24 -- Ben Stiller thinks humour has been key to his marriage.

The 59-year-old actor has been married to actress Christine Taylor since 2000, and in spite of their separation in 2017, Ben believes they've always bonded over a shared sense of humour.

The Hollywood star - who reconciled with his wife amid the COVID lockdown - told The Wall Street Journal newspaper: "I was like, 'Oh, I'm really happy being with this person and we have fun together.' It just felt like an instinctual sort of thing."

The loved-up duo met in 1999 and were married less than a year later.

Ben explained: "Our shared sense of humour is the key to our off-screen relationship.

"When you're with somebody for many years, and you go through the u...