I realized that once I graduated from college, there might be a period of time where people might typecast me or be more limiting, and I might not be able to play a crazy character. For me, it was important to do that at least in school.
When someone comes to you with big dreams, don't be too quick to belittle their ambition and dreams. Inspire and help them in any way you can. Even the beautiful butterfly was once a caterpillar.