Best to leave coke for an odd treat. One of my uni friends is has to use a nose inhaler thing everyday to try and bring back the circulation to his septum. Of all the drugs I've ever tried, coke was the one I found to be ovehyped, and its a selfish, dangerous drug-makes people do odd things. Also bloody expensive. Its more the social thing of cutiing lines, like passing a joint-just a cool thing to do on a night out. Watch it though or it might consume you-my friends spent over a grand to fund his coke habit, sometimes doing 2g in a single night.