A: Have you done something different to yourself? [= You’ve changed the way you look, haven’t you?] B: You’re kind to notice. [= Thank you for noticing. / I appreciate that you’ve recognized that.] My hairstyle is a wee bit changed. [= I’ve made some small changes to my hair. / My hair is different.] A: That’s it! [= Exactly! / Right! / I knew it! / I see it now!]. It makes you look more sophist..