Choose a good route, take home as the end point, you can take a bath and not catch a cold. Secondly, keep warm, choose a dry bra and add velvet at the same time to avoid too many clothes affecting running. Thirdly, companionship and good partners are the reasons for your persistence, and at the same time, you can ensure safety and avoid danger. Fourth, set a goal, how many kilometers you will allocate every day in a month, and it will be OK to finish your homework another day.