[Bruce has had to grow up quite a lot these past few years but the topic of girls, sex and relationships is still not something he knows much about and his small blush makes Alfred chuckle. It helps soothe his feelings when Bruce suddenly switches back to acting distant and almost cold to him.]

Almost.

[He says and picks up the needle.]

Just a quick shot to the rump and then we'll be done, you can spend the rest of your day recovering and resting.