傻瓜我只是你的男人笨蛋我只是你的女人
[shă guā wŏ zhĭ shì nĭ de nán rén bèn dàn wŏ zhĭ shì nĭ de nǚ rén]
This username implies a self-deprecating affection, suggesting 'I am silly/dumb but I only belong to you.' It emphasizes a humble and devoted attitude towards a relationship.