Sometimes, you might make yourself too stressful as you are eager to complete all tasks together. You are trying for multi tasking, however you might even take longer time to accomplish your task instead of doing one by one. Moreover, you might make more error as you are not mindful. You just want to complete all your task and you might compromising for quality of work.
The more you are in hurry, the more mindfulness you need to focus on your task. Go slowly, be detail and most important to do your task with a clear mind. You are definitely think beyond the box and complete your task with good quality.