I find that, whilst the 'friendzone' is mostly just a jokey concept, once you form a relationship with someone else (and by that I mean any kind of relationship, not boyfriend/girlfriend) it can be pretty hard to break out of the 'paradigm' of that relationship once it's been going for even a month or so. Like, before I met my girlfriend, I had a crush of sorts on a girl on my course who I struck up a friendship with in my first week at uni, but after a while it was pretty clear to me that she was not attracted to me so I attempted to let it slide (although I did do a couple of unfortunately creepy things like checking out her Facebook timeline from years past
). I had a couple of other 'romantic' dalliances (ugh), but, I never really got her off my mind. Then I met my girlfriend outside a kebab van at 2 in the morning and since then I've thought of this other girl as nothing but a friend. Point is, I guess, eventually something will turn up, and you've just got to keep your eyes open for potential opportunities.