You've worked hard to get this opportunity and you want to make sure you get the most out of it. During the remaining weeks of your internship, think of this opportunity as a chance to "try on" a new role, or possibly several new roles if you're given the chance to rotate through different areas of the organization.
You may qualify for a tax credit to help offset the cost of health insurance. That credit is generally paid directly to your health insurance company. You, then, only pay the part of the premium that the credit doesn't cover. But, getting that credit requires you to file a tax return to reconcile your payments and actual credit due. Sound confusing?