pls give me soln..........

i'm in love since 7 yrs.my parents also knw dat.i was sure dat he also loved me..v shared our love through eyes...v didnt speak or smile @ each other...
my sister also had a love..bt it was nt a true love..he married someone else..it creates a lot of prblm in our life....@ dat time i came to knw d pains of my parents.it hurted them a lot....they shared their pains to me...it made me to think abt my love...i was confused dat whether i'm doing is right or not...i started to act before him that i dont love him....i think it hurted him a lot.i felt like dat.........i tried to hate him. but i cant.. i tld this to my parents also..but they are not supporting me...
after dat i left hme for studying...now its more than 1 yr after v saw..i cant forget him...i want to talk to him..i want to see him...i dnt knw whether he has a girlfrnd or not???
give me an answer :- whether i try to forget him? or love him......?