Imagine ur life without him, and think about the time before u
ever met him. You were doing just fine than right? And comparing
the 4 yrs that you are together with him, its such a short time.
Imagine tat the time u spend with ur parents.
You are just got so used to haf someone to care for you, to be by
your side, by im sure you can do without it also. You need to be
strong and pick up the pieces, its going to be hard at 1st, but
time will heal your wound. If he is not meant for you, even if
together, there wont be any happiness.
Indulge in ur work, or sch, and try to leave urself as little free
time as possible, so tat you will not wonder away in ur thoughts.
Read a book till you are dozing off before you go to slp. Simply
keep urself busy, you will be surprised how fast you can get over
it.
Go out with friends, ask them how they cope with breakup in the
past, u might gain to learn new insights about things.
take care.