YOU SAID:
i have the sweetest kindest boyfriend in the whole world
INTO JAPANESE
私には世界で一番優しくて優しいボーイフレンドがいます
BACK INTO ENGLISH
I have the sweetest and kindest boyfriend in the world
INTO JAPANESE
私には世界で一番優しくて優しい彼氏がいます
BACK INTO ENGLISH
I have the sweetest and kindest boyfriend in the world
Well done, yes, well done!