Ok, you could start by explaining what do you mean by "playing Bitcoin".
If you're not yet involved in some serious job or project related to Bitcoin, you should just finish your college, because in the worst of the scenarios, you could still find a job out there.

If you are in fact involved in a serious project, then ask yourself if you really need to quit college to have success on it. What is your chance to succeed? Have already a Plan B? All of these are questions that should be answered.