I went from 205 to 180 in four and a half months just by running 3-5 times a week (while being a daily smoker and boozing a considerable amount 4x/week). I'd imagine that I'm also younger than a lot of you though, so that definitely has something to do with how seemingly easy it was. The secret, I think, is cutting back on bullshit food and decreasing portions while increasing exercise and kicking your ass everyday at the gym. Also, four and a half months isn't that short of a time. Don't expect immediate results at all.
Thanks to Christmas break (what's up, pie and beer?), though, I'm back up to around 186, which will go away since I'm back at school, running 5x / week and walking nearly everywhere.
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WHY is this in a wdyb thread?? lolz