- First base – mouth to mouth kissing, especially open mouth ("French") kissing involving the tongue.
- Second base – aggressive stimulation between the neck and waist, usually shirtless or under the shirt.
- Third base – manual or oral stimulation of the genitalia.
- Fourth base (Home run) – the act of penetrative intercourse
third base on is considered porneia .... second base could be considered "loose conduct" serious (which could lead to DF if unrepentant ), but not grounds for divorce
These things of course don't consider broken trust and hurt which is cheating in some way
cheating is different things for differenet people here a couple of idea's from the net...
"I always told my guy friends that, in order to figure out whether or not they're crossing the line with another girl, they need only picture their girlfriend doing the same thing and admit whether or not it would upset them"
"You don't get to decide what cheating is your partner does "