In fact, we highly recommend that you do this with at least one person - more is great.
Food is personal, social and cultural. No one eats alone (most of the time anyway), so why do the D9 programme alone? Your D9 partner/group could be your spouse, a close friend/colleague or even all the members of your favorite Whatsapp group!
We have found that this helps in having a great time during the D9 programme and also results in long-lasting success with fat loss and healthy living. What's not to like about that :)