Because you looked so sad, when you were bleeding everywhere.

[And speaking of being headstrong, she's going to take that as open invitation to reach over and carefully move his sandwich out of his lap so that she can fill the now-vacant space with herself, instead.]

So I decided to be kind to you, and look how I have been repaid. Such a terrible influence.

[This condemnation doesn't carry a whole lot of weight when she's in the process of leaning up to kiss him, naturally.]