Final answer:
Jonas is apprehensive about the new baby staying in his home due to the uncertainties and decision-making involved in raising a baby.
Step-by-step explanation:
Jonas is apprehensive about the new baby staying in his home. In the case study provided, Elena and Daris, who are expecting their first child, have several concerns including whether the baby will be healthy.
This situation reflects Jonas' apprehension about the new baby staying in his home. The passage also mentions the decision-making process involved in raising a baby, which adds to Jonas' apprehension as he may be uncertain about how to handle certain aspects of having a new baby in the house.