It's unfortunate that people don't think before asking about kids. Sometimes we get caught up in the family thing and make foolish assumptions. I had secondary infertility. Though I had one child, I was always asked "do you really WANT an only child?" "Why just one?" "Time to have another, you know" and on and on. People were so insensitive and I didn't feel like going into my fertility problems and treatments with just anyone. Why can't someone meet you nicely with "Tell me about your family." Even if that's not ideal it can let you expand on other family members. Or as Dotsie says, "How do you know the host/ess?" People shouldn't assume so much. It's hurtful.
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If we couldn't laugh we would all go insane ~ Jimmy Buffett