A purely physical relationship can be one in which two people like each other, but they're basically in it for the sex and have no desire to make it a committed, long-term thing. It's not necessarily a bad thing, provided everyone is being honest with each other. I'm suggesting that Remus might have
In regards to this statement, I’m not sure we have the same definition of a “purely physical relationship”. By your own words, there is no basis for love or affection or even fondness, because it only has to do with sex.