multiple reviews by same user on same node

Hello, I would like to use this module as a kind of feedback module (like ebays one) where people can leave reviews/feedback on other people. Profiles are set as a node and I have this working almost as I want where multiple users can submit reviews on profile nodes. But of course in real life people can have more than one transaction with the same person so I'd like to enable multiple reviews by the same person on the same node. Is this possible?

Matt