I assume he told you about the application and all that you need to do? Getting into OCS is kinda like applying to college. Apply and get accepted. Youll go to Quantico and spend 10 weeks there. Opposed to bootcamp, you are supposed to be out there leading, and taking charge and showing them you want to prove yourself as being a leader and individual accountablility is huge, youre going to be responsible for yourself, a few people and everybody at different points during your time there. The less you make that suck for the candidate platoon commander/sergeant/squad leader, the less theyll make it suck for you when youre in command. Integrity is a huge thing, dont lie or theyll send you home. Itll suck, it sucks for everybody, just something to accept and keep going. Before you get sent there, do as much studying as you can, i.e. General Orders, 5 paragraph order, etc. You will probably average 4 hours of sleep a night, just so you can expect that, but knowing as much as you can will help you make that higher.
Just want to put it in there, I have never been to OCS. I was in the process of applying to the program and have attempted to be accepted. I am very close to one person that has been through it already and is waiting to be commissioned pending his degree right now, as well as many other people who have told me a lot of stories and given me a lot of advice. Thats all that paragraph is, not my personal experience, experiences and advice that was passed on to me.