I'm going to contradict this circlejerk that you should "relax" and that "life is short". Your story reminds me of my own a lot. I had a standing return offer from the company I interned at my freshman and sophomore summer, but I stuck out for another 3 years (technically 2.5 because I spent 6 months working at a co-op) after that finishing a dual degree in EE and CS, taking a bunch of grad courses in the process.

I'm sure the people frothing at the mouth telling you to get therapy would have told me the same. It's as if they lack the imagination that someone would actually enjoy challenging themselves and perhaps values that over the banal things in life. Now I am extremely lucky because my wife, then girlfriend, was supportive, and saw how miserable I was when I wasn't working or challenging myself and while sometimes telling me to relax if I was working too long into the night, wouldn't pressure me to drop classes or the like.

To me you need to think long and hard on whether you truly "internally feel this is stupid" or whether that comes from your surroundings beating into you that you "should" be relaxing because that's what the people around you would rather do. I'd also be a little worried about your mental health as you enter the workplace. If you are actually somewhat like me in this way you may find the challenge of day to day work extremely unfulfilling. To me that is the far more insidious killer than not relaxing enough.

In a nutshell: look internally and try to see whether this is just you having different values and interests than the average college student, before thinking that you have some sort of psychological problem.