Yasmin has always been this way and she does joke and smile too but she has always been low key, flirty, fun, sexy, bitchy kind of vibe. Taylor started out in VS acting "child--ish" in interviews and bts but now she probably matured from new experiences and having a man in her life. So people see it as being over it but sometimes she really does look over it and it is understandable because VS....is not doing so well. But she's opening the show and she's getting more face time in areas that she truly wants...and that actually shows from within.