For instance, if they ask for my number too soon (like the first 10 minutes of chatting) I tell them that I'm uncomfortable giving my phone number to someone I don't know yet and ask to continue chatting through the app.
“Something I mention often: If they can't handle themselves when you're not available. What I mean by that is if you want to go do something alone, and they take that as a personal insult and badger you the entire time you're doing it.