If he went to America. She would be sad and lonely, she is unhappy and think they make her very happy and she will be busy and be very tired when they go to America, because he is very important to her and she wants to marry him if he did not go to America.
If he goes to America She is sad and lonely She is not happy and I think because he makes her happy. Help her and she is busy and very tired when he went to America. Because they are important to her and she wants to marry him if he did not go to America.
If he went to the United States, she was sad and lonely, she is unhappy and worried because he makes her happy and help her, she is busy. And will very tired when he went to America.