Too many rules may not be helpful to guys needing advice. Text-phone-email, or any of the other popular tweet stuff
IMO just boils down to your personal style or charm you were born with. Can you practice? Sure. But if you Suk at it definitely keep it to a minimum.
Gal friend, She's a volunteer search & rescue chick that teaches dance twice a week. She (texted) Where are you? I replied who is this? Her, that's not funny. Me, Oh is that you Vanna? Now she wants to come beat me up is the point I'm trying to make. Some of these rules are simply ways to not get out and have fun.