YOU SAID:
I'm upset with myself because i only found time to do one thing instead of two
INTO JAPANESE
私は2つではなく1つのことをする時間があったので、私は自分自身に腹を立てて
BACK INTO ENGLISH
I had time to do one thing rather than two, so I got angry with myself
INTO JAPANESE
私は2つではなく1つのことをする時間があったので、私は自分に腹を立てました
BACK INTO ENGLISH
Because I had time to do one thing rather than two, I got angry with myself
INTO JAPANESE
私は2つではなく1つのことをする時間があったので、私は自分自身に腹を立てました
BACK INTO ENGLISH
Because I had time to do one thing rather than two, I got angry with myself
That didn't even make that much sense in English.