This just means that you are at an uncertain point in your life... You don't want to be involved (sexually, romanticly) with males or females... you just want to be left alone! (like in NEUTRAL mode)
Even though she doesn't like boys, she isn't gay... she's more neutral.
The act of getting yourself back together after a night of a lot of drinking, competing in a sport game, or after long hours of manual labor. Done usually with the help of aspirin, shower, brushing your teeth and eating food.
Person 1: Hey, you want to do somethinglater?
Person 2: Yeah, I just gotta go home and get back to neutral first.