Answer:
1) a girlfriend
2) Lennie can't remember things George tells him. (Or could also be: George is afraid Lennie is going to get into some trouble with Curly.)
3) He finds a mouse and he worries Lennie will try to keep it in his pocket.
4)He thinks she is pretty.
5) He tells him Lennie is his cousin.
6) He wants to get out of there because he think it is a mean place.
7) They both wear high-heeled boots and spurs.
8)He was expecting them to arrive the night before and be ready to work first thing in the morning.