You've probably already left her the number...but maybe next time, just leave her in the dark. Sounds mean, but at this point you are probably very eager for her to contact you, hoping that she will come to you in illness, if nothing else: while she is simply too preoccupied with her new excitement to pay you much nevermind. What you want to do, if you possibly can, is to make the opposite occur. You want to be elusive, and interesting enough for her to come pursuing. That's why people tell you to GAL. Actually, if you can manage it, even just pretending to get a life is the only thing really likely to work.