Most of the time , it did n't bother her . The heating bill was minimal , and it was her favorite thing to lie in her bed , reading , with her kids curled up by her with Jacob 's warmth at her back . Ah , bliss ...

Question with options to choose from: Why does the female subject not mind the cold ?
Options are: 1). It allows her to be with Jacob . 2). It allows her to be with her mom in bed . 3). It allows her to be alone in bed . 4). It allows her to be with her friend in bed .
1).