Why do people say their baby is 18 months old why can't they just say 1.5 years?
![](https://img.wattpad.com/cover/64298353-288-k760837.jpg)
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Why do people say their baby is 18 months old why can't they just say 1.5 years?
Why do people say their baby is 18 months old why can't they just say 1.5 years?