QUES: Continue writing.

Monica ate glazed donuts while Samantha ate salad because
+++++++++
ANS: Monica tended to eat unhealthy foods.

QUES: Continue writing.

So
+++++++++
ANS: Randy was angry because Randy's horse was injured by Kyle who is actually pretty embarrassed by this point.

QUES: Continue writing.

Sarah really liked masturbation but Carrie liked sex more.
+++++++++
ANS: Carrie was perfectly miserable home alone on a Saturday.

QUES: Continue writing.

Jessica declined Mary's offer to teach her to meditate.
+++++++++
ANS:
Jessica didn't see the use in her learning how.