We know that one size or rule does not fit all, and that some of the best moments in our lives happened when we colored outside the lines, took risks, and broke arbitrary rules. Full disclaimer: I co-authored a book on why hard-and-fast rules in dating are generally unhelpful, and I've been on a mission to tell singles questioning their every move that a lot of the fear-based rules out there are rubbish, so I'm a bit biased here.Fear sells, of course, but instructing people to, "Never do this or you'll ruin everything!

In the words of my co-author, Jeff Wilser, who is an eligible single man in his '30s, "Trust me on this: Never in the history of mankind has a guy ever said, ' She's awesome, she's funny, she's cute, we had a great time, but only one problem..slept together.' We just don't think like that.

If there's chemistry then there's chemistry, and hooking up won't ruin that.

As we get older, we realize that many of these childhood rules don't apply, and that we should even break a good number of them.

This is because as adults, we think critically and thoughtfully about the consequences of our actions.

We don't prefer to have our process "guided", especially being held to an oft tedious process and pace.

It's difficult to be creative, or show individuality on e Harmony.Read this hysterical true story from blogger Single Steve and his miserable experience with e Harmony (may not be work-safe).When we're little, our parents share clear-cut rules: Don't talk to strangers, no playtime until the work is done, and eat everything on your plate.It just means they will match you with men who share your outlook on life and basic personality type.Even with the matches I didn't end up with, I could tell that we had those "big things" in common.Wait to Text Him Back In the new "Rules" book, the authors include a chart depicting how many hours or days to wait to text him back, depending on your age.