YOU SAID:
I am going to be so happy when this period is over
INTO JAPANESE
この期間が終わったら、私はとても幸せになるでしょう
BACK INTO ENGLISH
I will be very happy when this period is over
INTO JAPANESE
この期間が終わったらとても幸せです
BACK INTO ENGLISH
I will be very happy when this period is over
That didn't even make that much sense in English.