For the first time, Rielle Hunter is opening up to GQ about her tumultuous affair with John Edwards, a tryst that would eventually be the end of his presidential and political aspirations. Hunter, who also appears in a mildly-exposing photo shoot, says that she and Edwards were intimate from the very beginning, and goes into specific detail about their first encounter and how things played out after that, plus the "compassion" she has for Elizabeth Edwards. Details after the jump, and get the full interview at GQ.com!