What are three quotes that support this statement, "Rose of Sharon is the unlikely heroine of the story."?

Rose of Sharon asked, "How about fannin' Granma?"
"She's asleep now. You lay down an' rest."

Rose of Sharon thinks of her grandmother, all while fighting the sickness brought on by her pregnancy.

"I get to work in the nursery," Rose of Sharon said. "They tol' me. I can find out all
how to do for babies, an' then I'll know."

Willing to learn and admit what she doesn't know.

"You shouldn' of came," Ma said. "You didn' pick more'n ten-fifteen pounds." Rose
of Sharon looked down at her great bulging belly, and she didn't reply.

Rose of Sharon was determined to do her part.... even when she couldn't.