8. Know What Your Deal Breakers Are
Give some thought to your non-negotiable “deal breakers," the things that make you want to delete a person's number from your phone book. Try not to set too many conditions so as not to miss out on great people with small flaws (like someone who chews with their mouth open or isn't tall enough,) but really have a think as to why these deal breakers important to you.

You probably had past experiences that taught you you can't be with a person that has those qualities, so reflect how important they are and follow your rules.