Dieting Woes

My weight loss has become stagnant. I only have 2 weeks before my goal date and have about 8lbs more to go. I am getting distressed. I have dramatically changed the way I eat and have been exercising, a little. For me, actually motivating myself to exercise is tough. I wish I had more time in the mornings to exercise before work. Does anyone actually do that? It seems like the only time I have is after 8pm when Kenlee has gone to bed. When I do that, I get all wound up and can't sleep, then I have to take a Tylenol PM. Not heathly, right? Grrrrrrrrrrr. HELP!!!