Our first child was 4 when we had twins. Keeping sibling jealousy at bay became a constant priority.
Our 4-year-old was a pampered, only child until we had twins. We've used four strategies to prevent jealousy and help us keep the peace.
https://www.businessinsider.com/first-when-we-had-twins-avoiding-jealousy-is-a-priority-2025-5