help me in this relationship guys

i have a bf... well, i gonna tell you this, i am a step daughter, my real father and mother both have another family now, but im living with my real mother... i have met a boy and thats my boyfriend ryt now, we are now more dan a yr with each other, d problem is that, my real father's wife is my boyfriend's relative. she is his 2nd cusin... its just that i dont know what to do, coz it seems that this is a big prob, but he always told me that these things are just challenges or tests in our relationship. i love him and he loves me too, but sometimes we were being hurtd by the people around us bcoz it seems that they dont want us to be together... so what shuld we do... i need your advice guys... and thanks...