Congratulations on accomplishing so much! Kuddos to you to getting to this point in engineering. My husband is studying for the civil engineering PE exam as I'm writing this, so yea, one of his books are bigger than my all of my MCAT books all together! Hard stuff!
Don't listen to the people above about failing and blah, blah, blah. We can all fail any exam: MCAT, classes or PE exam. Obviously you are studying for it, have your employer cover the costs of the exam and the books and you should feel better financially if you by any chance have to take it again. If you're doing this pre-med route, it sounds to me like you know what it takes to be successful and know what you need to do to pass, especially since you have already passed your FE exam.
My husband found some really good books from friends that
all have passed, so if you need the titles PM me.
That said, it does take a lot of work and time out of your day studying for the PE exam. Needless to say, how different it is from MCAT, biology, etc. But that is what you need to do professionally - that is your reality right now and that's what you have to do. My husband's best friend is starting law school in the fall and he is taking his PE exam before hand. Why, you ask? Because he wants to be a Professional Engineer. What's wrong with that?
I understand how you feel somewhat in regards to living a dual life. I am an ICU nurse, a pediatric one at that. I have been in that profession for barely a year and I feel incompetent. I feel as though I should be reading a ton of books about critical care, attending a multitude of lectures by our physicians, working on research projects (medical and nursing) that our teaching hospital does, take the ECMO class, sit for my Critical Care Nursing exam, get my pediatric nursing certification and a lot more other stuff. But as much as it relates to healthcare and I would LOVE to do any of it, I know that I am not one of those brilliant people who can multitask and get a 100% on everything. I really want to do well on the MCAT, so my dual life has pretty much been lop-sided on the MCAT side. My work has fallen to a part time position, reduced to feelings of inadequateness at work and I have no time for partying or hanging out with my friends. But that is my choice, one I'm making consciously because I know that in order for me to do well on the MCAT I need to put everything else aside. It's hard to do because I feel left out and lonely, but I keep reminding myself that this is temporary, takes time and after all, my studying will only help me be successful in what I REALLY want to do.
I am a firm believer in doing what you want and if your heart lies in finishing the PE exam, it's better you try it and finish it instead of thinking about "what ifs." For med school, whether you pass it or not, would probably not matter a whole lot, but it would make you more confident as an individual and THAT is more important than anything else. You are an adult person and you know your time commitments, what it takes for
you to be successful... so do it. And the power to you.
Good luck.