On college love, temptation, and heartbreak from a Muslim-American perspective .    By Sara Omer Illustration by Kathleen Halley-Segal I exist in a rift between two vastly different worlds, straining to hold them together. The first world was introduced to me by my parents. I can only reach this one through focus and expert dissociation. I awake from my slumber in the middle of a silent night while everyone around me is snoring and dreaming. I splash unnervingly cool water on