No eye is legit so you can get a 2nd reward, Horn gives you 10 power which helps you perfect Val's fight so Nico can like you.
Damn uh.
Do the cheerleader quests until you can turn into a girl and take the ring from the guy, do liz's quest and lose your virginity to her BEFORE you lose it to chris, so you get skill points from Jake..train obviously......but thats all i remember from memory, just read the walkthrough in the discord