I also wanted to add that an interest should be mindful when selecting her GC screen name. You may think it's harmless by picking hot4u or xyz2be or future_xyz. GC is a such a smal place. You never know who is on here.
This goes for ANY type of Greek org, and applies to guys AND girls.
Confidence is attractive. Presumption and arrogance are not.
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It is all 33girl's fault. ~DrPhil