The point is, there isn't a sharp delineation. Thats what allows any uncertainty into the discussion, there isn't a hard and fast rule on what behavior is acceptable.
The real rule, is to start off completely polite, and judge your behavior based on your reception. You start talking about an interesting exploit, impress each other, and the next thing you know you're talking about more personal stuff. Or, someone gives you the cold shoulder, talk is awkward, and you move on instead of forcing things into a sexual context.
The real rule, is to start off completely polite, and judge your behavior based on your reception. You start talking about an interesting exploit, impress each other, and the next thing you know you're talking about more personal stuff. Or, someone gives you the cold shoulder, talk is awkward, and you move on instead of forcing things into a sexual context.