Matty speculates that his girlfriend won't "get freaky" with him because she thinks he has an STD. He wants to show her that he is clean and ready to go, but needs to know how. Without pausing to think about it, Andrew steps right up and lays down the law for Matty, saying, "it's a fairly simple answer." He advises that he go get tested and get an official document in writing stating that he's clean to show his girl.