What book and maybe I’ll be able to help! ^^
Answer:
It means you are unaware of something
Explanation:
She unwittingly walked in the wrong house
The last one is your best bet
Answer:
The right mindset changes everything because it changes how you look at things. When you change how you look at things, it changes how you feel. When you change how you feel, you change how you think. And vice-versa. When you change how you feel and how you think, you change what you do.
Explanation: