Pls help...im confused?

im 18yrs..in a relationship wid a guy. v both luv each other a lot.but cant b together cuz of our cast being different.(indians) well bith sides have rejected..we both dont want 2 go against our parents, v have also tried staying away 4m each other but its just poss. 4 us...we have tried talkin a lot 2 our parents..but what do we do or what do i do?its really diff. 2 choose.i know parents are more imp. than anything, but there r other things in dis world too...help!