Rule #67 - Mix it up a little. You can't always be the man with the haunted past.

I would say, “Mix it up in general.”

Any move, technique, or strategy will become boring to a woman if you keep on using it. For example, if you use the same line every time a woman compliments you, you can bet it will get lame really fast. Learn to mix things up a little and be creative!
Smart Dating Rule: Mix it up or it will get boring.