Last day of freedom

I will start my master degree studying tomorrow. Today is my last day of feeling relaxed. In the coming two years, I think that I will be very busy between the work and the study. I don't know whether I have enough endurance to face the coming challenge. But I choose this path. I have no time and no reason to regret. Many people asked me why I study again; I really did not like to answer anything, maybe because this is a personal decision. In the coming two years, it is a tough task for me to know how to use times efficiently. I still wanted to have my social life besides studying. I hope I can.