I thought long and hard about how unfair I was to you when we agreed to show our parchments. Now I see it was a stupid prank, sorry for tricking you there.

[But contrary to the half-apologetic (and half-mocking) words, he's holding up his altered parchment, unfolded, for her to marvel at it. Trying to seem smug and a hopeless loser — at the same time. In other words, how the real Date would sound like.]

Here. With this, we're even, right?