i wouldn't let my biological sister wear my letters either... i mean she wears stuff like date party, and philanthropy tshirts all the time (mostly b/c she steals them from me when i'm not looking
) but letters - like a sweatshirt with DZ on it, she knows better than that. I would be extremely bothered by a person walking around campus wearing letters - i mean what if they, thinking they're making fun of greeks, walk into a bar and sit down and have a few in my letters.. its just not right...