By my life, this is my 1116 lady’s hand! These be her very c’s, her u’s, and her 1117 90 t’s, and thus she makes her great P’s. It is in 1118 contempt of question her hand.
Despite the fact that he's not really a respectful individual with a superiority complex; it's still slightly disheartening for them to play such a prank. When you can see how much he adores her by how well he knows even her handwriting despite not being involved.