If you live in any big city, you know that public transportation is more convenient and often times, more affordable than riding around in a burdensome vehicle with a mad dependence on gas. But that doesn’t mean your buses and trains don’t bring their own inconveniences. However, a lot of the headaches and gross encounters can be prevented. Here are seven things you should avoid doing while getting around town. All these tips are for your benefit though. Whether you choose to do them or not, that’s your business, but girl, you’ve been warned.