YOU SAID:
You decide to head away from
INTO JAPANESE
あなたは離れて行くことにしました
BACK INTO ENGLISH
You decided to go away
INTO JAPANESE
あなたは離れることに決めました
BACK INTO ENGLISH
You decided to leave
INTO JAPANESE
あなたが去ることに決めた
BACK INTO ENGLISH
You decided to leave
You've done this before, haven't you.