YOU SAID:

I'll be having myself a nice cup of coffee darling

INTO JAPANESE

私は自分自身に素敵な一杯のコーヒーダーリンを持っているでしょう

BACK INTO ENGLISH

I will have a nice cup of coffee darling for myself

INTO JAPANESE

私は自分のために最愛の人の素敵な一杯のコーヒーを飲むでしょう

BACK INTO ENGLISH

I will drink a lovely cup of coffee for my beloved person

INTO JAPANESE

私は私の最愛の人のためにコーヒーを飲みます

BACK INTO ENGLISH

I will drink coffee for my beloved person

INTO JAPANESE

私は私の最愛の人のためにコーヒーを飲みます

BACK INTO ENGLISH

I will drink coffee for my beloved person