It's cool man, I learned everything from screwing it up. Probably the best way to get to know fish keeping. As far as the JD goes I usually sex them by the pattern on their cheek. Just a couple of sparse spots and its male and the worming spot pattern is on the females. I think they call the worming pattern a beard, which is confusing, but I'm a modern man so if girl fish want to have beards I'm cool with it.