Whether or not you're still in school, you're an adult at 21 years old, and as such, it stands to reason that you should be significantly contributing to your living situation. There may be some situations where your family might be wealthy enough that you can get away with not contributing, but for most, the reality of most family situations will be that this is not the case, and at 21 years old, you will need to be contributing. Readers here voted for the university student not to be in the w…