Bad
pushy - Acting in a way that is overly eager to advance one’s own interests or opinions, often disregarding others' comfort or boundaries.

The saleswoman was so pushy that I had to walk out of the store because she wouldn’t stop trying to sell me things I didn’t need.
frazzled - To feel completely exhausted and worn out, and unable to think straight, after a great deal of mental or physical effort
After being up two nights in a row writing a 60 page history paper, and drinking 60 cups of coffee, Simon's mind felt frazzled.