I came to realise that I wasn't thinking about anything.
I understood I wasn't thinking about anything.
「何も考えてないこと」
not think about anything at all
did't think once about it
転職したい気持ちばかりで何も考えてないことに気付かされた
I always had the feeling I wanted to change jobs, but I came to realise that I wasn't about anything at all.
ルーマニア 
