stop asking how to waste time in italki and focus on you study! XD
ok... a real answer... learn more about the pomodore technic :D
Have you thought the real meaning of your life? if the answer is no, you are probably wasting your time on this topic. However, I suppose most of the people are changing their goal all along , so can you regard this changing as waste? Something is unaccountable and cannot learn a lesson unless you have tried and made mistakes in the course.
It is very difficult because of the Internet, here we can waste a lot of time, ha ha.
By prparing a schedule...
dont do anything , if u are rich enough , rest for the rest of your life ))