Orphans and Family Size

Listen up, you dullard. You're Blake, right? You think you're so funny, but let me break it down for your simple mind. The "joke" plays on the word 'family size'. It sets up the expectation that an orphan cannot 'go big' because of their lack of family, and then ties it to an association with 'family size' to create word play. So basically the punchline is wordplay using an association with the phrase 'family size', and the word 'family'. You understand now, genius?