Yes. They are married and just had their first child this year. They started dating around the time of the movie Ten Inch Hero (2007) which they both acted in, but they were friends way before that.
Of course us fans are not very sure. Unfortunatley we won't know for sure what they mean unless one of them explains. For now lets just think its adorable as it is. (I apologise for how rude the previous person who answered this question was, in case you actually saw it you are in no way a freak and you do whatever you want, ignore that A hole)
I just did a quick Google Image search on this, and while there is art showing him wearing it on his left hand, these are by far in the minority (and they appear to be fanart to boot; in all the official images I could find he's wearing it on his right hand).
It slips onto his finger while being chased through the Goblin caves by Gollum.
No, it does not appear that he does, although there are a lot of Photoshopped images where he has full tattoo sleeves.
the color on the right hand ring is red if not you're looking at the left hand ring
yes, but it is mostly worn on the left hand because wedding ring are worn on the right hand
In Arabic tradition, the engagement ring is typically worn on the right hand.
Because she has the right to it. She doesn't have to date etc to wear a ring on her right hand.
Your engagement ring goes on the left hand ring finger, then at the wedding you move it to the right hand so your wedding ring can be placed on this finger and move it back later. You can buy engagement and wedding rings that match, but if you have a very fancy engagement ring it is better to have a plain wedding ring.
Right hand and ring finger :) and I'm not sure if the right hand is the married hand and if it is then put the ring on your left hand but same finger
A wedding ring The left hand is the 'right' hand to wear it
on the right hand
Right hand, ring finger.
In the US it is customary to wear a wedding ring on the Left Hand.
generally, right hand ring finger
on the ring finger on the right hand