"My advice is this: wait as long as you can," Allen says.
By and large, Allen and other relationship experts endorse a cautious approach to the dating rules of sex.
"Make sure your brain, heart, and penis are in conjunction -- they should all be in a straight line before you have sex," she says.
Mc Clary believes all daters should invest the same amount of time conducting these 'self' conversations about personal dating rules as they do primping before a big date.
Plus, not having adequately prepared for these practical aspects of sex may signal an overall non-readiness to engage in it.
At some point during their courtship, many dating couples decide its time to break down initial boundaries -- be they emotional, physical, or both -- and engage in a sexual relationship.