then copy what somebody else said and fit it to yourself. you have to get over it or you won't be hired.
it's also worth noting that you shouldn't be too modest when answering the questions. you want to make yourself look good
"Why should I hire you?"
What do you mean?
Can you remember paragraphs? Because I can't.
I usually have sort of a guideline thought out before the interview, but then they ask some different question I didn't think of and it throws me off and I can't remember anything
I said I can't bullstuff I can't come up with stuff on the spot, I have to think of it beforehand. However, like I mentioned, a new question appears and throws me off and I lose everything.
You should probably not apply for a job in retail and food preparation. You encounter bullstuff daily. Maybe try something else like data entry?