Like Water for Chocolate Family Quotes

How we cite our quotes: (Chapter.Paragraph)

Quote #4

"Then Pedro, why aren't you taking the child to his mother? Children shouldn't be away from their mothers." (4, 262)

True, but what about the fathers? Why don't they need to be around the children, huh? And while we're on the subject, didn't Mama E stay far away from Tita when she was a kid? Just sayin'…

Quote #5

"He isn't even your own son. Imagine how pretty you will look with one of your own." (4,272)

Here, Dr. Brown tells Tita she'll make a cute mama one day. Foot in mouth, doc. Poor guy didn't realize Tita will probably never have a son, or marry.

Quote #6

For Tita [Mama Elena] had made an exception; she had been killing her a little at a time since she was a child, and she still hadn't quite finished her off. (3, 162)

Is this supposed to be taken literally or figuratively? And what kind of mother tries to kill her own daughter? Is Mama E really that cruel?