When the guy, in my case starts throwing cheesy lines that are quite funny and heaps charming, and you can't stop laughing, then it draws you in, and next thing you know, You start flirting?!?!?!
Its the VIBE...
Intent. It's always in the intent.
Going to far into a Sexual area. People can discuss it to a point.
Then it is just fun chatting.
Hmm that's hard to say
I want to know the answer to this too.