First time poster forgive me if this isn't the right place for a question like this.

I haven't read any DC comics in a while but just restarted with the "new" Batman and the Outsiders.

So the last time I saw Orphan and Signal in a DC comic Orphan was a villain and Duke just started out as Signal. I like both characters and I kind of like the pairing.

So a few questions

Are the two dating or just really close?

How did they get as close as they are?

Is there any required reading that explores the two together before Batman and the Outsiders?