Once you’ve begun seeing a girl on a fairly regular basis, or you think you will likely start seeing her soon, you should be doing a lot of what I call passive screening in addition to any other screening you’re doing.
What’s passive screening? It is, quite simply, watching and learning. Keeping an eye on your woman’s actions, learning about her from. This is hands down the most effective way to really learn about your girl – how devoted is she, how much will she work for the relationship, how high or low risk is she.