Very nice group portrait. They are clearly involved with and interested in one another. The mirrored wall works wonderfully - adds the lovely grayed reflection and the leading lines of the top and bottom are great. 8 Voted earlier.
I'm going through the entries, stopping at those images I feel have had the benefit of an unconventional eye and dwelling a little longer to try to see and appreciate what you saw. This is one of those images.
Positives: You have captured a lovely sense of casual candidness here - it has a really relaxed feeling about it. Much of this sense of calm is due to your lovely coloration. I certainly want to know more about the people - you've managed not to lose them in the photographic trickery of reflection and leading lines. There's a danger such a precise composition would make the image 'of the image' rather than 'of the people' but you've avoid that through a great sense of balance.