How can I balance my academic goals with the demands of a research internship as a graduate student?

I totally get your concern - it can be overwhelming to balance academic responsibilities with the demands of a research internship. I've been in a similar situation before, and what worked for me was creating a schedule that allowed me to dedicate specific times to my coursework and internship. I made sure to prioritize my tasks, focusing on the most important ones first, and then allocating time for the internship.

I wouldn't recommend dropping your coursework, though - as a graduate student, you want to make progress towards your degree, and taking a semester off can set you back. Instead, I'd suggest talking to your academic advisor and the lab supervisor to see if you can adjust your internship schedule to accommodate your coursework. Maybe you can work out a part-time internship schedule or take on a project that aligns with your coursework, so you can kill two birds with one stone.

It's also important to remember that it's okay to say no to certain tasks or projects if you feel like they're taking up too much of your time. Your academic goals are important, and you shouldn't compromise on them. I'd recommend setting clear boundaries and communicating them to your lab supervisor, so they know what you're comfortable with and what you're not. With a little planning and communication, I'm sure you can find a balance that works for you.

Lastly, don't be too hard on yourself if you can't do everything perfectly - it's a lot to juggle, and it's normal to feel overwhelmed. Just take it one day at a time, and don't hesitate to reach out to your peers or mentors if you need support. Good luck with your internship and coursework - I'm sure you'll do great!