| Quote #1
A woman ought to tell her husband everything – don't you think so, dear? (5.6)
Lucy and Mina like to exchange ideas about all kinds of things, especially (since they're both engaged) the roles of husbands and wives.
| Quote #2
Men like women, certainly their wives, to be quite as fair as they are; and women, I am afraid are not always quite as fair as they should be. (5.6)
Lucy idealizes men: she thinks that they're more "fair" than women are.
| Quote #3
I supposed that we women are such cowards that we think a man will save us from fears, and we marry him. (5.7)
Lucy makes a generalization about all women – she thinks that women marry men to run away from their fears, thinking that the man will "save [her] from fears."