need an answer...

hi my darshine here... i fall love with a guy ... i dont mention his name here... we too work in same company i stared to like him because of him only... he always will look at me... when i turn back he will refused n act like ntg... have a lot things make me believe he too love me..one day i decided to resign my work ... before i leave.. i propose too him... but he never answer properly...
now its over 7month ready i resigned... in 7 month i have call him.. message him but no reply... more 100 message i send... no reply... when i give up decided i wont message anymore... last week i got message from him .. ask do i forget him??..

i confused!!!!!!!!!!! help me.......... plssss