YOU SAID:
I find myself feeling quite sad and i miss my best friend who i love dearly at home
INTO JAPANESE
とても悲しい気持ちになり、家で大好きな親友がいなくて寂しいです
BACK INTO ENGLISH
I feel very sad and lonely because I miss my best friend at home
INTO JAPANESE
親友が家にいないのでとても悲しくて寂しい
BACK INTO ENGLISH
I'm so sad and lonely because my best friend isn't at home
INTO JAPANESE
私の親友が家にいないので、私はとても悲しくて孤独です
BACK INTO ENGLISH
I'm so sad and lonely because my best friend isn't at home
That didn't even make that much sense in English.