It's no big thang bro. Your the one freaking out, not the plant. Simply turn your lights over to veg (18/6) give it normal vegging nutes (I'd say around 600 to 800ppm if your in hydro) and sit and wait. No reason to even flush it that I can see. Lots and lots of people play little games like this to learn the sex of their plant. I just got through doing it intentionally to my plants. I wanted to know which of the 3 was female so I started flowering them. 2 started to show me their pink panties and the other showed me his cock. I showed him the door and put the other two girls back into veg, not 2 weeks after starting flowering. Took about a week and they started growing fine again. 2 weeks later and they forgot what it was they were doing in the first place. Not that this needs or should be done every other week, but a plant can take a single adjustment to it's light cycle every once in a while. It might piss and moan for a few days, but after awhile they begin to sing and dance once again.