Parents refusing my long time partner, what to do?

I am 30 year old Female having Indian culture/bsckground and live in US.
My family is not accepting my relationship with my man who is educated, and has moved to the US just for me and secures a good job as well.
The only issue is different cultural background. There is no other issue. My parents are refusing to talk to him and it has been 10 years.
His parents love me. He is Indian as well but just a differnet culture. We grew up in the same town, same schools.
Now we want to move in together and start our lives since its now more than 7 years of long distance.
I feel guilty that Ill be breaking my parents’ heartsX but I want to live my life as well. They should have considered my choices and gave him a chance, over these 10 ye