Let the guilt go, parents of only kids. They're not more likely to grow up spoiled or lonely.
"Is he your only?" Everyone from supermarket cashiers to my parents' friends asks me that question. When I answer "yes," I often get a pitying look -- or worse, "Aren't you afraid he'll be lonely?"
I always intended to have two children, but when my son turned out to be more challenging than my husband and I envisioned, our plans changed. Although my husband has made peace with our decision, I've lost sleep worrying my son will grow up spoiled or lonely. I fear he'll have to shoulder the caregiving burden when my husband and I get older.