Boyfriend & Girlfriend helping each other out?

I just can't help but notice the extra 5 star votes on both if not most of Jason Chu aka TheInfinityPoint and Laurie711's images, but mostly on the former.

http://www.dpreview.com/challenges/Challenge.aspx?ID=6048&View=Results&Rows=4

So the pattern goes with the challenge "Where I sleep challenge", where this InfinityPoint shows off Laurie sleeping; oh by the way Laurie is now the fiancee'. Well all the best to your relationship then.

How to find out? Google Jason Chu hawaii, you will see the winner of Oahu Hawaii challenge:
1st - Laurie711
2nd- TheInfinityPoint
3rd- TheInfinityPoint

What's common? 5 star votes... and oh No sandbaggers on their photo, while the rest off the entries are generously given 2-3 0.5 or 1.0 stars. There are atleast 3 more account I suspect being used. I've asked some of the Challenge host to help me in my investigation.