Dorcas Cheng-Tozun is a columnist for Inc.com focusing on startup life at the intersection of marriage, family, and personal well-being. She is also the author of Start, Love, Repeat: How to Stay in Love with Your Entrepreneur in a Crazy Startup World. “We’re not fully acknowledging the reality of what it means to pursue a business,” Dorcas Cheng-Tozun begins. “There is so much excitement and goodness in it, and yet there is this other side to it that involves sacrifice and some measure of pain.” d.light is a global solar energy company, delivering affordable solar solutions. When Dorcas’ husband Ned co-founded d.light in 2005, Dorcas was immediately pulled into the…