Since your post wasn't explicitly about dates in relationships, I moved it to the Day 2's section. Please post in the appropriate areas.
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The best way to deal with flakes is to prevent them from happening. I do this by tossing this little exchange somewhere into our initial interaction:
ME: *something vague about having really high standards for the people I allow into my life*
HER: Like what?
ME: Well, for example, if a girl ever flakes on me, I probably won't ever take her seriously.
Those two sentences will literally cut your flakes in half. However, if it
does still happen, the best thing is usually to reframe it as something positive ("Really? That's
perfect! A friend was asking me to come watch episodes of The O.C. ... apparently she thinks I look just like one of the characters on there." --credit Herbal). Obviously this only works if she calls to flake rather than just not showing up. If you find yourself in the latter situation, just call her again whenever you feel like it and don't bring it up or act like it bothered you at all.
If you're still interested, that is
Your boy,
870