Some USA navy seals questions?

hello, atm im only 17 and ive always had this feeling about me wanting to be a seal. i have a couple questions for n e knw that was a seal or knws alot. ive read alot about the training and hell week and how to get it... my first question. what are some pointers that they look for( mre so gpa)? what are sum pointers for training ? (atm ive been training about 3 hours once a day after school on weekdays.) alot of cardio... what wud u do to prepare for the HELL WEEK?