Jen Aniston with Vince VaughnJennifer Aniston and Vince VaughnNow, there's being patient and then there's being inefficient.

And out of fear of being labelled the latter, we've decided that it's about time to lift the lid on just how in love Jennifer Aniston and Vince Vaughn really are.

The couple are currently in Paris to promote their new movie, The Break-Up, and have taken some time out to do a spot of sight-seeing and chilling out.

But because we're so fed up with their lack of co-operation in confirming their relationship... we've decided to find out how serious they are about each other for ourselves - well, through the medium of Dr Love.

Dr Love has relocated from his Caribbean island to Showbiz HQ, to help us understand whether we should be saving a place on our mantelpiece for a Jince wedding invite or not.

Read and learn from the gallery above.