First time buying feminised seeds planted 6 this one just showed nuts this if for the newbies its bad when you see balls toss it. from my experience it is always the males that are doing the best to.
Grow on Homies
That doesn't look like the start of a male. The way that single nutsack is hanging is more like a female plant that threw a male ball. Pluck it off and keep an eye on it. It may or may not develop more.