Everyone's situation is different, and everyone has questions. Be the one who asks the questions, and learn how the Marine Corps Reserves can work for you.
The Marine Corps Reserves exists for one reason, to augment the active duty force when it's time to inflict pain on those who would do our nation harm, everyone gets that part.
But most seem to miss the part where you can do the Reserves and not sign a new contract, still get an education, earn extra income, not lose VA benefits, get promoted, train in a new MOS, earn a Bonus, and more.