My parents are firmly opposed to my emigration to America.

Language barrier is a big problem! Foreigners who have never married in their forties are rare, and the divorce rate in the United States is high, above 50%. Don't think that marrying abroad is a wonderful thing! Only you know the hardships. Do you really like him that much? When I arrived in the United States, there was nothing around me. I was wronged, and my family and friends were gone. My husband bullied you and didn't even cry! At work, there are no good job opportunities abroad!

Learn English well first, travel to the United States several times, and then make a decision when you know it clearly.