Popsugar Family Siblings Why to Wait Between Having Kids The Benefits of Waiting to Have Baby Number 2 September 15, 2016 by Lisa Horten View On One Page Photo 3 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 The Older Sibling Understands What's Happening Because let's face it, no 10-month-old is going to understand that they're going to be a big brother or sister. Source: Flickr user Ben Grey Previous Next Start Slideshow SiblingsPregnancyParentingFamily Relationships