Monogamy is hard: Joshua Jackson

Los Angeles: Actor Joshua Jackson, who has been dating German actress Diane Kruger for nine years, believes their relationship is still going strong because they still feel "compelled" to make it work.

The 36-year-old actor told Us Weekly magazine: "Monogamy is hard. The equation for me these last nine years is to ask, 'Is this labour of love still something done freely?' If you're compelled to make it work, then you will."

Despite dating Kruger since 2006, the former “Dawson's Creek” star previously admitted they are unlikely to ever tie the knot, reports femalefirst.co.uk.

Asked if he believed in the idea of marriage, the actor said: "Do I believe it exists? Yes. (But for me) No, I'm not religious."