How to tel ma bf dat our relation is nt posibl in future?

m a gal frm india ..n its jst 15days m in australia..ma bf stil is in india..i love hm a lot..actualy i myself is confused dat do i realy lov hm or its jst a crush????bt on hs syd he seems to be fully faithful for our relation..v share the same caste bt ma parents wud nvr allow me as de r vry orthodox minded...nd evn i dont see any future of ours ..cos m gonna stay here nw..n he dere..bt i do mis hm a lot..o...plzzzzzz...help me out...dont ryt nething crap....nd plzzz hlp me out dis gr8 problm