We may, perhaps, say that those whose friendship is based on profit or pleasure naturally part when these cease; for it was these that they loved: when these are gone, therefore, it is to be expected that the love goes too. But complaints would be likely to arise if a man who loved another for profit or pleasure’s sake pretended to love him for his character; for, as we said at the outset, quarrels between friends very frequently arise from a difference between the real and the supposed motives of the friendship. If, then, a man deceives himself, and supposes that he is beloved for his character, though the other’s behaviour gives no ground for the supposition, he has only himself to blame; but if he is deceived by the other’s pretence, then there is a fair ground of complaint against such an impostor, even more than against those who counterfeit the coinage, inasmuch as it is a more precious thing that is tampered with.