Book Reports / How should i start... my essay on Romeo and Juliet? [3]

I don't know how i should start my essay on romeo and juliet any ideas!?

The question is ... "Romeo and Juliet are star-cross'd lovers'; they are not in control of their own destinies".

I have only done one previous essay and i got 35 out of 50 But i don't know how i should start this one!