Curley comes to the bunkhouse to talk to George and Lennie. George always seems to answer for Lennie, and Curley scolds Lennie for not answering for himself. Curley seems to dislike Lennie and is suspicious of him and his disabilities. Therefore Lennie should be careful around Curley because he could be trouble. Always be careful around others, because though you may try to prevent something you never know what could happen that is out of your control.
Lennie touched a girls dress in weed and this cause Lennie and George to have to leave the town. Lennie has a tendency to touch things he likes without knowing the consequences. In fact Lennie is very careless and causes conflict for himself and the people around him. Careless actions will usually always come with a consequence despite the circumstances.