sorry to hear about your difficulty with your mom  it must be extra frustrating because youre already stressing about the exam  if you and your mom get along and she wants to help try talking to her about what would be helpful for you  it sounds like shes telling you what to do- focus on your work- which you already want to do but its difficult  first you want her to understand the difficulty you are going through then what would be more helpful is being reminded how to focus  like helping you remember to exercise eat well set up a good environment for work  this book is helpful for having those kinds of conversations