In Act II of The Importance of Being Earnest, Gwendolen says this in a conversation with Cecily:
Gwendolen: [...] And certainly once a man begins to neglect his domestic duties he becomes painfully effeminate, does he not? And I don't like that. It makes man so very attractive. Cecily, mamma, whose views on education are remarkably strict, has brought me up to be extremely short-sighted; it is part of her system [...]
What is this line's meaning and is Gwendolen insulting her mother?