YOU SAID:

my boyfriend is the most wonderful person in the world, and I love him very much

INTO JAPANESE

私のボーイフレンドは世界で最も素晴らしい人です。私は彼を大いに愛しています

BACK INTO ENGLISH

My boyfriend is the most wonderful person in the world. I love him a lot

INTO JAPANESE

私のボーイフレンドは世界で最も素晴らしい人です。私は彼をとても愛している

BACK INTO ENGLISH

My boyfriend is the most wonderful person in the world. I love him very much

INTO JAPANESE

私のボーイフレンドは世界で最も素晴らしい人です。私は彼を大変に愛している

BACK INTO ENGLISH

My boyfriend is the most wonderful person in the world. I love him very much