The transition to a second child is often less stressful than the move from zero to one, primarily because you have already navigated the early days of parenthood. While you may feel like a first-time parent again, your prior experience helps you manage new challenges more confidently. The adjustment is largely dependent on the temperament of the new baby, which is often quite different from the first, and having an older child who is understanding and loving can make the day-to-day routine significantly smoother.