It’s really hard to pay compliments to Pisces natives as they tend to analyze every single word you say. They want to be sure that you really mean what you’re saying. At first, they may seem totally thrilled by your words, but then they often think over every word until it gets a negative implication.
They love to create a whole story about things that haven’t been said. They may hear that they have beautiful eyes and decide that you said it in order to avoid discussing their excess weight. Be ready for such an attitude and expect to get extra questions about the true meaning of your words of praise.