They are buddies, our two boys. Far from best friends from birth, but now constant companions. Since full-time school doesn't separate them yet, they still spend most of their waking hours together. And even though they're lunging at each other's throats as much as they're hugging sweetly - after all, they're siblings, not saints - they are still an inseparable duo. A duo that's about to gain a third. I listen to them play together before nap. They read books to each other, jump around the room to their favorite music, laugh at jokes that only they understand. Secret words, secret games - they have a world all their own, and it is good that I am not part of it. But I still savor the listening. Watching them hold hands when they walk through a parking lot, glancing in the rearview mirror to see them singing in matching car seats, I catch myself wondering how their dynamic will change when another is added to their mix. Three is an odd number. Pair up and someone's always left … [Read more...] about what is gained and what is lost