Retired child development prof interested in 👶🗳️🐶🐱🏒🏈🌳 & 💻. Born & raised in 🇺🇸, has lived in 🇨🇦 since 1976. Writes about hidden baby milestones that parents can monitor and the 💰 & tax hassles of middle-class 🇺🇸 expats.